MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple heuristics as a link farm, with many URLs pointing to compromised WordPress sites. The ML classifier and ClamAV also identified it as malicious, specifically as a phishing trojan. The file's purpose appears to be to lure users into clicking links that lead to further malicious content or downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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.sandzthabapanel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606f4277a19b5---51828409401.pdf
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084d37e58eb2---63854343560.pdf
- https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/fb1335d7a6536affa123d46bf84665f1/waroredamukojuweripidosij.pdf
- http://ccforum.kr/uploads/file/1624956958.pdf
- http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/734f2e0257959d1478a71de2bdd29a6e/woxawizowanenumurufanunik.pdf
- https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/90ac534333efae79fcd72cf23bf04128/kubenowimejaxodibul.pdf
- http://ebsenglish.net/_UploadFile/Images/file/tevutinirovawofaruvo.pdf
- https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aab29a459bb---suzadamozajumulor.pdf
- http://snsi.jp/image/news_file/3141505668.pdf
- https://actioncoach.com.my/wp-content/plugins/formcraft/file-upload/server/content/files/1606d44f9af24e---nafalakisudaleg.pdf
- http://polipadel.com/userfiles/file/95611155071.pdf
- https://spaslask.pl/wp-content/plugins/super-forms/uploads/php/files/k86t45fk2sui9jj59kulb0tpas/zakijawivurukojegugorewa.pdf
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1607d19d2d1845---lagelesorir.pdf
- http://www.conectadoscomdeus.tv/arquivos/file/96960086461.pdf
- https://tripleccompanies.com/wp-content/plugins/super-forms/uploads/php/files/eef986eabd80c02f4cc3915a04092714/xujib.pdf
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609268c300e94---bililimul.pdf
- https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/0d22c355305cad4c024043d30a9a7ebe/woxum.pdf
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a62f111e7c9---22791845439.pdf
- http://aceonlinementors.com/userfiles/file/furudotexudami.pdf
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b248449d584---39885875255.pdf
- https://museos.comarcadelasierradealbarracin.es/ckfinder/userfiles/files/xulokaj.pdf
- https://journeywithmypet.com/ckfinder/userfiles/files/92208290906.pdf
- https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/lth9n1h0fu8nd4cfu0essl1pop/jawuva.pdf
- http://inspirationforexcellence.com/clients/66491/File/48553996245.pdf
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b80d9544ff5---wefututibo.pdf
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607e2dbcbf38d---degixeredazorogudokid.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=mower+and+more
- 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_off0000d329.bin1f34114d1f6ede171255416eb113a0324805bb00410c7aa3a7ca59e5ab01c11c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD329 | 16216 bytes |
font_01_sfnt_off0000fd25.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD25 | 16792 bytes |
font_02_sfnt_off0001153c.binf9c85ec0b5b4624eaf49f9f3c7ae352bd28fa21e99e48d7c2448257ad19ac8c9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1153C | 10084 bytes |
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