MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm or phishing lure. The primary attack pattern involves directing users to external malicious URLs, likely for credential harvesting or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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=how+to+clean+your+ram+on+android
- http://ogledalata.bg/uploads/pages/files/44479254381.pdf
- http://sladkiy-ostrov.ru/userfiles/files/xevigu.pdf
- http://bbfrontedelmare.com/userfiles/files/16712488436.pdf
- https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b4e4eb317d---juvufusetezebekibazek.pdf
- https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/4b0a1e7c7abe53f2e429b46cc8ec11c1/49620114904.pdf
- https://www.la-providence-ehpad.fr/ckfinder/userfiles/files/fajazadujoxi.pdf
- https://vespaclubcagliari.com/userfiles/file/22055479805.pdf
- https://njshore.drinkpoint.com/uploads/files/votowemuxorumidi.pdf
- http://patanamachine.com/imgUpload/files/jasojosutejul.pdf
- http://longarmquiltacademy.net/fckeditor/userfiles/file/40412519705.pdf
- http://seosanhrd.com/userfiles/file/68307444847.pdf
- https://karinbentum.nl/uploads/file/xokiwakajeveziwebes.pdf
- http://xn--80aab8aioy.xn--p1ai/userfiles/file/wiluwafotuxitawekituzu.pdf
- https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/75143c5d64950e0ca0c1e5a5f12a4c45/bifudibizilokopomediwaxib.pdf
- https://europartner2.pl/uploads/dalineposunaf.pdf
- https://morabia.fi/images/file/57556580298.pdf
- http://munsusa.org/userfiles/file/20210912054936.pdf
- https://arte-salon.ru/upload_picture/13907162022.pdf
- http://globalfeedindustry.com/upload/files/20566830940.pdf
- https://electrodomesticaruano.com/images/ckfinder/files/pivarujikapejonugikuv.pdf
- http://ellenia3.eu/userfiles/files/71408292525.pdf
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f40e67f7a9---posukodowopizoledurifu.pdf
- https://kstraders.com/userfiles/file/wamap.pdf
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130654dc19e6---nizifose.pdf
- http://goldenbaycruisesagent.com/userfiles/file/99547237799.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c41c.bine8aa729ee2d0cfe44f1c6e5aa0d9e398aeb9f78779b6b1b4c1b675523470ea0c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC41C | 16628 bytes |
font_01_sfnt_off0000ee77.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE77 | 16792 bytes |
font_02_sfnt_off0001068e.binf31244fc55c4621c6d5760201982c072419597730955be5a147979ad29c4a92d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1068E | 10652 bytes |
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