MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Several heuristics point to the PDF being a link farm hosted on compromised CMS uploads, designed to trick users into downloading further malicious content. The presence of a 'download button' lure and callback phishing indicators further support a phishing or malware distribution attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 8
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/r6bfjd63g3rbgvl7qkq43502t4/21906430801.pdf In PDF document text
- https://jahanchart.ir/data/files/file/6125525819.pdfIn PDF document text
- https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/bpgbll18pvltsb1vooa4f2njr9/vuvov.pdfIn PDF document text
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce332acd2c6---24535157954.pdfIn PDF document text
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160879ffe21235---luxiketijanotijaluvi.pdfIn PDF document text
- http://cityhelps.org/clients/6/61/61afa7a028a8e04f14432b0fece6f2b0/File/77459357324.pdfIn PDF document text
- https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e352b287d4---40814157247.pdfIn PDF document text
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080e0dc123ef---sudiwone.pdfIn PDF document text
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/59619e9296908dd053592fb959da4654/34028323731.pdfIn PDF document text
- https://al-farh-iq.com/upload/userfiles/file/87363050490.pdfIn PDF document text
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160758e0d80907---34975545155.pdfIn PDF document text
- http://rgn2u.com/userfiles/files/wufosokipusato.pdfIn PDF document text
- https://bnbtravels.com/ckfinder/userfiles/files/ludif.pdfIn PDF document text
- https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160b7e600794c2---vasolikuseriw.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d6a799416d.pdfIn PDF document text
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/8586e6ab87c5a4962dc662e2096f11a3/tazowojelodorili.pdfIn PDF document text
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/ff19d846e5ecbc4ce095c6a8c1000498/43219130864.pdfIn PDF document text
- http://creativeindustries.ru/uploads/userfiles/file/94650516665.pdfIn PDF document text
- https://virtualpulse.eu/UserFiles/file/dejesafonarunisezol.pdfIn PDF document text
- https://atcotourismtravel.com/userfiles/file/lisowilopokowezi.pdfIn PDF document text
- http://netmutum.com/userfiles/file/zixupujokerolija.pdfIn PDF document text
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/1768eeaea6ffbc7c69fe17633bc9fee5/64923672633.pdfIn PDF document text
- http://hanboo.cn/Uploads/file/2021062313143570554.pdfIn PDF document text
- http://cuatudongsaigon.net/uploads/files/rokodazuwolagomoz.pdfIn PDF document text
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/16071295059bbb---94949823389.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=fine+for+driving+in+a+bus+lanePDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ec8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC8B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000104a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104A2 | 10712 bytes |
SHA-256: 5b64faa5023672ae0c431046138e3c9099d88001fecf5702f140bb2f4f45b43d |
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font_02_sfnt_off00011d15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D15 | 17304 bytes |
SHA-256: 86f7d00c2d1b43a8e03d5e9e9daf41d68a4cc904f695aab5da925a2a7352faf2 |
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