MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories or are structured as link farms on disposable hosting, indicating a malicious intent to redirect users. The ML classifier and ClamAV detection strongly suggest this PDF is malicious, likely serving as a lure for phishing or malware delivery. No scripts were extracted, but the extensive use of external links is the primary indicator of malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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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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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://philabc.ru/uplcv?utm_term=splice+pro+apk PDF link annotation
- http://studiolaviano.it/userfiles/files/tajetefel.pdfIn PDF document text
- https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/67109a9e08eunsn5odiodonedr/78488278619.pdfIn PDF document text
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/698b84ad01a458694aae1b61e8cac693/jusefurebon.pdfIn PDF document text
- https://castilloexterior.org/ckfinder/userfiles/files/tapotawasi.pdfIn PDF document text
- http://cybernet.asia/UserFiles/File/dolodukane.pdfIn PDF document text
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612fd0edb1716---9024271337.pdfIn PDF document text
- https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/1foc91og9oitrt0efsiq317hko/mabezo.pdfIn PDF document text
- https://dwitunggaljaya.com/sitefiles/file/muredizajigufenipekovo.pdfIn PDF document text
- http://massintech.ru/img/outer/files/jamekusolexexudu.pdfIn PDF document text
- http://hoteldanang.vn/uploads/images/files/sajujujob.pdfIn PDF document text
- http://evo-models.com/uploads/userfiles/files/gujajefunumeda.pdfIn PDF document text
- http://hytechplus.com/userfiles/file/sewuzid.pdfIn PDF document text
- https://komunalno-vrgorac.hr/files/vafuwunewakelo.pdfIn PDF document text
- http://calisnt.com/uploads/files/27261017048.pdfIn PDF document text
- http://xn--80age2amlc.xn--80adxhks/pics/images/file/96990893781.pdfIn PDF document text
- http://bolt.fo/public_html/userfiles/files/kidisuduwojazijeleziv.pdfIn PDF document text
- http://aalzkj.love-mrt.com/upload/files/47859446941.pdfIn PDF document text
- http://osteriadelcampanile.com/userfiles/files/nizekoxipibo.pdfIn PDF document text
- https://pfollowers.com/ci/userfiles/files/52852811242.pdfIn PDF document text
- http://suamanhinhlcd.net/userfiles/file/toniwefovox.pdfIn PDF document text
- https://cuatudongnhatrang.com/uploads/files/98680520282.pdfIn PDF document text
- https://agroadvanced.com/app/webroot/newsletters/editor/files/99494559479.pdfIn PDF document text
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135f23a53780---wamagupeziwe.pdfIn PDF document text
- http://taxicityplus.ru/userfiles/file/79957828747.pdfIn PDF document text
- 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_off0000b911.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB911 | 10164 bytes |
SHA-256: 107381f0a24f3bb120b5b6ffc36af118927760cedde2b0c9a5f834e524fd5c99 |
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font_01_sfnt_off0000cfe4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFE4 | 16476 bytes |
SHA-256: 3f9d2c840d9ace71b5f4bef84b2a30f26170371dc430e956aca7b4762af00dc3 |
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font_02_sfnt_off0000fa0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA0E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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