MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically identified as a phishing trojan. Analysis revealed it functions as a link farm, with numerous URLs pointing to compromised WordPress uploads and disposable hosting. These links are likely intended to lure users into clicking through to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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 http://stylekd.ru/files/72553684458.pdf
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/16083452c00020---gazodutoxi.pdf
- http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608fb2a07a4a0---gisufesururezumepifi.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160886e0472a15---tolev.pdf
- http://apsara.ru/userfiles/file/84018237011.pdf
- http://gw73patriots.com/clients/1/1e/1ed986c9d410becccfd9995a8318e329/File/vezibawixadutagilifil.pdf
- http://studiotecnicoarduini.eu/userfiles/files/zawejemafabe.pdf
- https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/1609da0e311c87---dedafopuz.pdf
- http://gyobel.itpublic/file/55260842149.pdf
- http://zxsolar.com/d/files/razudutubimakitenixibewes.pdf
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607176558b42e---pebok.pdf
- https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/ac52dce4f8bde393635ac4f2d1eba859/muxagexo.pdf
- https://singaporenotarypublic.com/wp-content/plugins/super-forms/uploads/php/files/9f17fd40315d389bb691d303db11f72e/28334982040.pdf
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c18e1053733---19611320000.pdf
- https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b9aa9dbda5---1513310628.pdf
- https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9a231da7b---78145865796.pdf
- http://abwessex.com/uploads/files/numubejulawekavidetine.pdf
- https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/d9383131aee73f7a01a3c7694df3226b/79124629047.pdf
- https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4d4b809077---gavoxe.pdf
- https://ideylia.fr/uploads/file/53679353009.pdf
- https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/3u2uai4en2kt5bgc719r1uc0g3/33974669425.pdf
- http://www.assignproject.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608941d30dc0a---muguvedo.pdf
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/43a676c3f640adb7a8500b09fa11f94c/jofexovitowoke.pdf
- http://chaitraglaze.com/uploads/piwitigulakulajakuw.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=english+grammar+do+as+directed+exercises+with+answers
- 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_off0000e30b.bin1d1fd6834ce223c6eb8630aa9b6cfd3bd6977e905bfdf24b82df8293e2f77abf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE30B | 16720 bytes |
font_01_sfnt_off00010e3b.bin1dca819c26d7c9684940fffc749c1d9a3909a43005a31009de8af95ffae05673 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E3B | 10988 bytes |
font_02_sfnt_off00012763.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12763 | 16792 bytes |
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