MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised WordPress installations or disposable domains, suggesting it functions as a link farm to distribute further malicious content or phish users. No scripts were extracted, but the presence of numerous URLs and the 'link farm' heuristics point towards a phishing or malware distribution attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 https://philabc.ru/uplcv?utm_term=shelter+belts+and+wind+breaks PDF link annotation
- https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/d150ea7e9e4c2ad2157a4978552a8109/35633066.pdfIn PDF document text
- https://shopabrang.com/images/files/32009951440.pdfIn PDF document text
- https://calmoinc.com/upload/editor/file/54279322200.pdfIn PDF document text
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16075e3c2ce1f3---26619603417.pdfIn PDF document text
- http://strandedtattoo.net/file/41230987421.pdfIn PDF document text
- http://uss100.com/clients/5/56/562308f4da1da23328cfd9e5c9f3e68f/File/dugikinonasixajuv.pdfIn PDF document text
- http://global-insurance-broker.de/downloads/lufesu.pdfIn PDF document text
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093fb1e1351a---bepizimituz.pdfIn PDF document text
- http://saharun.org/uploads/ckfinder/userfiles/files/34550349981.pdfIn PDF document text
- http://slbreakingnews.com/ckfinder/userfiles/files/22788104962.pdfIn PDF document text
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aec3b4ec79a---kizolamibab.pdfIn PDF document text
- http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16090507cea8d3---dujajesimaleteleremavixad.pdfIn PDF document text
- https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae889a0731c---jezovawetazijalolitif.pdfIn PDF document text
- https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bd4db41476---49209589350.pdfIn PDF document text
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/160dbb8c5ba272---zubadupekuwi.pdfIn PDF document text
- http://keyflounge.nl/userfiles/file/20619266003.pdfIn PDF document text
- https://airflow-skateboards.com/upload/file/tutetis.pdfIn PDF document text
- http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/72903710358f32959179c757afbd45b0/domig.pdfIn PDF document text
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad708bdfcfb---somaxaf.pdfIn PDF document text
- https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/160836551735ed---wuxodovaz.pdfIn PDF document text
- https://razdolle.by/wp-content/plugins/super-forms/uploads/php/files/et3cro25rufp7r8qq5kqg3jd04/72073832548.pdfIn PDF document text
- http://espacioschillout.es/images/admin/file/bimewutikojulemin.pdfIn PDF document text
- https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/l8og61ers241fubdh0fs97jnh4/komaxadoma.pdfIn PDF document text
- https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609733484fd2b---64949130377.pdfIn PDF document text
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d85b8269ea---nozutinakinuduletit.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_off0000eb94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB94 | 10620 bytes |
SHA-256: 3df7b66dcebebae8d0b5bdbd1943907607887081900da2b611c1c03d81de24b7 |
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font_01_sfnt_off000103d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103D4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011be6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BE6 | 17244 bytes |
SHA-256: 085c52e99b654f5763482bf6c059fd3a4af59b502abe9f63b3b7c4e9f3cda7d5 |
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