MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains numerous links, many pointing to compromised websites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 http://gillsandgeckos.com/userfiles/file/44816630223.pdf
- https://daismene.it/file/48239971063.pdf
- https://ijieet.org/ckfinder/userfiles/files/96667816134.pdf
- http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607726f6ac32e---nezinofovavabed.pdf
- https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/ec3b8c6868feb165a5424efa4f3da677/21059780898.pdf
- http://yh-nutri.com/filespath/files/20210907061941.pdf
- http://isleford.com/filespath/files/20210814123129.pdf
- http://tofuyatogo.com/uploads/files/94079852793.pdf
- http://baobiachau.com/luutru/files/sogazibuzumagu.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ca225ecd34---fipupirogibatofe.pdf
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160dc59561d82e---mivejularinivubilafilewil.pdf
- http://nelly-design.ru/upload/files/27087573052.pdf
- https://dimensioninteractive.com/WYSIWYGImage/file/ridumogojekolufolif.pdf
- https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/778ecd1281defc0b964bba0484928715/negizeruwodoxupulafoxiza.pdf
- http://yasaitogo.com/uploads/files/29515482117.pdf
- https://stotex.rs/files/salajekulokul.pdf
- http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609a7a5cb0a0f---demokizumupenavafoko.pdf
- https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acb18d2d91e---98301298333.pdf
- http://www.rosabrockenhaus.ch/ckfinder/userfiles/files/widoje.pdf
- https://studiopros.com/userfiles/file/
- https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/fivebofakuz.pdf
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160befc53e375f---bujokerakowuwu.pdf
- https://altonika.pro/files/fck/file/40121211331.pdf
- https://www.kasekimi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d4195423e7---rekegilogisugiku.pdf
- http://sanarina.de/ckfinder/userfiles/files/80020247231.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=letting+go+book+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_off0000df16.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF16 | 16792 bytes |
font_01_sfnt_off0000f728.bin4fe3b0cd40dbea4e2b69c44df032cd69dd6dec345ff28a79383178bd3bd9f118 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF728 | 18100 bytes |
font_02_sfnt_off0001261b.binb2cc8f2aaf426729d340e9eb26b222189b05628e88393d9346f34e0bc710a465 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1261B | 10388 bytes |
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