MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. Heuristics indicate it functions as a link farm, with multiple URLs pointing to compromised WordPress sites and other disposable hosting. These links likely lead to phishing pages or further malware downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160bdda315dba4---novitokusasajamigogikafe.pdf
- http://ankaser.com/userfiles/file/53109012267.pdf
- https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4f6fb5f2ef---ridip.pdf
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be6a8a319bd---kepenisiwesavujunetaz.pdf
- http://pileshoppen.dk/userfiles/file/zavew.pdf
- http://smeclassof1987reunion.com/clients/37165/File/12988288236.pdf
- https://studiorampinelli.com/file/dejesele.pdf
- https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/9873dfb6d2af0a1cd148a639b559836b/42786084027.pdf
- https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/j6u1ft3ugstntiphafeirhvav6/vizapozivosi.pdf
- https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/9776e2da6350299266a09754f0d6d289/17057068702.pdf
- https://alternativecarrepair.com/userfiles/file/72594687414.pdf
- http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/nrnos8neo4h0en70u17289eqih/mafapubenotubunufote.pdf
- https://aydin-elektrik.com/resimler/files/masotizukape.pdf
- https://btcauction.vn/hinhanh/file/98743782782.pdf
- http://kag.fr/userfiles/file/tiponupitojovekodawu.pdf
- https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/hd5sn0m2v5mf352v2fg2efh36h/vikavusu.pdf
- https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/d2bb30103bdd2c2b9f0a7997df81ab58/tijorij.pdf
- https://bandai-k.com/userfiles/file/67190850008.pdf
- https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/160956b22e6792---wutowo.pdf
- http://syuncyoku.jp/upload/file/22367546817.pdf
- https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/i2bvstfef9jrm5776phqdsjilj/574235881.pdf
- https://aspirans.com/files/file/pagibew.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=what+can+replace+red+wine+vinegar
- 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_off0000ea91.bind4bfbf29ce8b7b3e8ab5675ba792fae9449869375ade2f51f16a91c839b78a5a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA91 | 18252 bytes |
font_01_sfnt_off00011b13.binfefff749c228ce6a846753df7d2ca5350b04863f043110b8dadee44834ec1e29 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B13 | 10648 bytes |
font_02_sfnt_off00013337.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13337 | 16792 bytes |
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