MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many of which are hosted on compromised WordPress sites or disposable domains, suggesting a link farm designed to distribute malware. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution disguised as software downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9959
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://archism.ru/uplcv?utm_term=windows+10+pro+64+bit+free+download+full+version+with+crack PDF link annotation
- http://caratow.nl/userfiles/file/31658157627.pdfIn PDF document text
- https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/24eb7ccd9d719db689fbf063661a6553/xawogiriv.pdfIn PDF document text
- http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/fu6kuk3bifkaujdbc60p5nj6cr/lexini.pdfIn PDF document text
- http://nextgenship.net/upload/file/20210908163113591172.pdfIn PDF document text
- https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/d6eb89fc18cbefb24ea45a5ce80116fb/xopojabekuvul.pdfIn PDF document text
- http://ecohort.com/userfiles/files/rigaboke.pdfIn PDF document text
- https://motodubai.com/uploaded_images/files/68031444979.pdfIn PDF document text
- https://albertoangel.sinecsas.com/ckfinder/userfiles/files/14803817123.pdfIn PDF document text
- https://jills.reviewz.eu/app/webroot/files/userfiles/files/56969995048.pdfIn PDF document text
- http://dalhousieretreat.com/cote_dor_import/admin/ckfinder/userfiles/files/85443161767.pdfIn PDF document text
- https://cottingham-group.com/cufiles/files/mewizepibepowifit.pdfIn PDF document text
- http://klick-tipp.at/ckfinder/userfiles/publics/files/nujamedoloju.pdfIn PDF document text
- http://archiprojektai.lt/app/webroot/uploads/userfiles/files/pusaguviduli.pdfIn PDF document text
- http://760_709737661.mildmedia-dev.eu/uploads/userfiles/files/nevosositovuvugosu.pdfIn PDF document text
- https://univerosg.com/ckfinder/userfiles/files/lizifix.pdfIn PDF document text
- http://findingthegrey.com/userfiles/file/5245501578.pdfIn PDF document text
- http://myflora888.com/ck_files/files/zumup.pdfIn PDF document text
- https://binarbaidequipment.com/public_html/userfiles/file/89303251269.pdfIn PDF document text
- https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/750658d0a2f0c1f34b0ae67320a2aaca/tovadomeviwigedezukegoz.pdfIn PDF document text
- https://aljazeerahpetroleum.ae/userfiles/files/6906278487.pdfIn PDF document text
- https://torbay.ru/images/uploads/file/2337243657.pdfIn PDF document text
- http://wolfroccatiassociati.it/userfiles/files/muzobi.pdfIn PDF document text
- https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/7ef2cd5eadafbb03fba7238046938468/nuselada.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_off0000af0f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF0F | 15900 bytes |
SHA-256: af4d8e4f550897177530261911f8952636c08d9339014e27f7483370bf9782c8 |
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font_01_sfnt_off0000d74c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD74C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ef63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF63 | 11616 bytes |
SHA-256: fc9ad6c2d1a5526a46daafe2317e1db026963d4e0a4a4b0ae638e064927beabd |
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