MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 7
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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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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 http://e-sportis.com/images/upload/tasaledaxo.pdf In PDF document text
- http://st03.it/userfiles/files/81068879562.pdfIn PDF document text
- https://primewestelectrical.com/wp-content/plugins/super-forms/uploads/php/files/da9d7afc0c3ced15c27297981d053144/jemebimojub.pdfIn PDF document text
- https://midasspa.com/ckfinder/userfiles/files/bopigimati.pdfIn PDF document text
- https://computerzone.pk/file/vuniwamikofejosima.pdfIn PDF document text
- http://peusch.lu/userfiles/files/50264142175.pdfIn PDF document text
- http://nakajima-ya.com/upload/save_image/files/fotonakunebokisuxet.pdfIn PDF document text
- https://securityguardsupply.org/php/uploads/file/tufadubojumawatitazep.pdfIn PDF document text
- http://helenhotel.vn/upload/files/51861180286.pdfIn PDF document text
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e56302566c---30290958036.pdfIn PDF document text
- http://buergerforum-tirol.at/file/pawonerenuwuzuzisidomodat.pdfIn PDF document text
- http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c24b0c8c45c---puxalasufupabopuf.pdfIn PDF document text
- http://vivatbacchus.hu/files/file/sesumuk.pdfIn PDF document text
- https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/43e5d5f1e34a94124d229af20d4112e4/50039436954.pdfIn PDF document text
- http://emailreceptionist.net/userfiles/file/doxipizevatirugukagifixir.pdfIn PDF document text
- https://www.m2asolutions.com/wp-content/plugins/super-forms/uploads/php/files/e66432e3166ec4287e38ee1d94834f70/seleneji.pdfIn PDF document text
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607346595c05b---rimuzosunarowelibavovew.pdfIn PDF document text
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbf4e5cfe56---17658919714.pdfIn PDF document text
- http://goldnumber.info/userfiles/file/7138022228.pdfIn PDF document text
- http://www.hzkontejnery.cz/ckfinder/userfiles/files/59815433193.pdfIn PDF document text
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160d81ae4bd947---45452503993.pdfIn PDF document text
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/8bc8010ae42b87cc4889e378518ce85f/24826915940.pdfIn PDF document text
- https://gyn-koe70.de/obrazky/file/13448516609.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=pokemon+diamond+gba+rom+download+for+androidPDF 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_off0000db29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB29 | 16728 bytes |
SHA-256: 8f0d21a834589cc436dbe95b2cd038ee1b9981bdad4cd1b3fe11a89734b8adba |
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font_01_sfnt_off00010689.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10689 | 10748 bytes |
SHA-256: 94603abb68aed80db2a5e4a26b133f213c9648f86313367986a7ce1d82611fb5 |
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font_02_sfnt_off00011f10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F10 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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