MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The ML classifier and ClamAV detection strongly indicate maliciousness, with ClamAV identifying it as a phishing trojan. The PDF contains numerous links, many pointing to compromised WordPress sites, suggesting a link farm designed to lead users to malicious content. The document body is heavily obfuscated and unreadable, providing no direct user-facing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9946
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 https://pistant.ru/uplcv?utm_term=examples+of+first+class+levers+in+everyday+life PDF link annotation
- http://alisawedding.com/upload/users/files/38334318921.pdfIn PDF document text
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071271f0fe2d---60214518671.pdfIn PDF document text
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2272e900e---zegopesif.pdfIn PDF document text
- http://bortran.com/upload/image/file/20210521102654.pdfIn PDF document text
- https://vestol.bg/files/file/39694942770.pdfIn PDF document text
- https://cihangirhotel.com/upload/ckfinder/files/wowikevobasasexonedima.pdfIn PDF document text
- https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16073d5bb8b297---68620984168.pdfIn PDF document text
- http://nandeestationery.com/userfiles/files/xorakorafazukawoselepel.pdfIn PDF document text
- http://xn--h49avwqct32ewe967crscpsaz7d.com/ckupload/files/foxutuji.pdfIn PDF document text
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8c95e92d56---40145726489.pdfIn PDF document text
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c076e0620e7---22195444128.pdfIn PDF document text
- https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609aeb28bf439---pisowev.pdfIn PDF document text
- https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/g345fvraole4rvg3lk3av3kgkh/dupubadaveruligavimid.pdfIn PDF document text
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b15fe6d960---7637883447.pdfIn PDF document text
- http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097ea9664cfc---nuxonukakufik.pdfIn PDF document text
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cccbee067a1---xosem.pdfIn PDF document text
- https://noddy.nu/images/file/ziwexelanidefisot.pdfIn PDF document text
- http://www.verneteco.com/ckfinder/userfiles/files/dimale.pdfIn PDF document text
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/e4916b7325dae79b569ee9b66d16dd1a/dutitawuvirozanululak.pdfIn PDF document text
- https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/at6enbh5kv5j64mc6nvrlg2luk/muvajijawalimepiz.pdfIn PDF document text
- http://rotarylaspalmas.orgdocumentos/file/64684397098.pdfIn PDF document text
- http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7ce8b50e18---rasetulikobojalatagavazer.pdfIn PDF document text
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/76076d890379794a5fa2cdeeb1fe974f/13435812853.pdfIn PDF document text
- http://ztkammer.at/uploads/file/tuxepa.pdfIn PDF document text
- http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/b6a3f5513b5dfd3ac6a5572ce37bf9e3/62563211564.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e624.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE624 | 11048 bytes |
SHA-256: acadf02a66f57605cfe01aac4d9cdb3a237f29ddd6316203a0bd21fb412b6018 |
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font_01_sfnt_off0000ffe0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFE0 | 16532 bytes |
SHA-256: 1ea05f436d21fa16d21daf19f03c7333dcbcbd793d3be170c174c4ab5e7769df |
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font_02_sfnt_off00012aed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AED | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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