MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The document contains numerous embedded URLs, many pointing to compromised WordPress sites, suggesting it functions as a link farm to distribute phishing content or download further malware. No scripts were extracted from this sample, but the presence of external URIs and the overall structure indicate a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://medvor.ru/uplcv?utm_term=castor+informatique+algor%25C3%25A9a+entrainement
- https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/hl7h1tfkjg51hehvg5sbos7ht2/78280534721.pdf
- https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/f89770ebff46bf6bfecaf1f966147e42/6097164781.pdf
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072a91c8c498---dafuwugokowix.pdf
- https://xn--i1aam8cb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/72fb83b7e57dea9f0ffd4001e936121e/24091862758.pdf
- https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608857a2b3c38---22578971483.pdf
- http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16087cd3644044---49412944454.pdf
- https://floridaholidayplanner.com/wp-content/plugins/super-forms/uploads/php/files/32cd22f3b668d724c5a0bdbd9dd9f3b9/luzesav.pdf
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1608978a47fc82---zamomikezoxogimum.pdf
- http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1607291679fda1---1377546212.pdf
- http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16072419f6bac1---zowazapipojevilugo.pdf
- https://lastcallslc.com/wp-content/plugins/super-forms/uploads/php/files/b4a8001dfcbf3debee59bfed4f305018/87238165351.pdf
- https://olgapopovaphoto.com/wp-content/plugins/super-forms/uploads/php/files/c470db11bc6c1f069615032a516019c4/lizajumesepududojidadere.pdf
- http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/16093b00523308---99185809101.pdf
- https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/lunlrroh617er02rd4cf46edtj/75445138812.pdf
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607b692283545---nenekubamobuviditaride.pdf
- http://xn--80aaeiengkwpz6p.xn--p1ai/pub/file/rebijaposinezoziforoju.pdf
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074a16477aa7---jovapetaxopetukoz.pdf
- http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f7c1fbdf1c---71653294489.pdf
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/m9toetrlf7oo47v82u4ftvbglm/91585009300.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- 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://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ddf8.bin6af6d07019548908468be540b6db7b2b62e8bd3935b7fbb48b93e46a71d1ae80 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDF8 | 5260 bytes |
font_01_sfnt_off0000ef7c.bin44c5910b982f4be1d094e50f7c6d50ba1142e6454b20e5f2f2927bc8d8313458 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF7C | 11812 bytes |
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