MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV detecting it as a phishing trojan. It contains numerous links to external websites, many of which are hosted on compromised CMS upload directories or disposable domains, suggesting a phishing or malware distribution campaign. The document body is heavily obfuscated and unreadable, but the presence of embedded URLs and the overall structure indicate a malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://krisoc.ru/uplcv?utm_term=tamilrockers+hollywood+tamil+movie PDF link annotation
- https://upchealth.net/wp-content/plugins/super-forms/uploads/php/files/fd6f281cdb84133eaeb64553edbeb636/23592233010.pdfIn PDF document text
- https://www.gasserbush.com/wp-content/plugins/super-forms/uploads/php/files/fdee431985480129aec5b9e92429b03b/61914663108.pdfIn PDF document text
- http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/160895aff513b3---37900918167.pdfIn PDF document text
- https://him-home.ru/wp-content/plugins/super-forms/uploads/php/files/2aee3c13698c0b6134f04cd1976f4d3e/juref.pdfIn PDF document text
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083751c07c95---jazokafixevibosakatujesu.pdfIn PDF document text
- https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/c99fde28c7c7ed97ceee2c5b6bafdf2c/15747827975.pdfIn PDF document text
- http://location-appartement-venise.com/italie_documents/files/fexisiredogejaja.pdfIn PDF document text
- https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/1167a8f51a2cec05179bab5e75ecbe07/xawerixobiz.pdfIn PDF document text
- http://castrolmintabolt.hu/images/upload/file/fadezunurezer.pdfIn PDF document text
- https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/841e2c8c83a971675867fd4e4b6d0b00/tiwufafigarepoba.pdfIn PDF document text
- http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16079e19b86799---dapolibakejeforanavi.pdfIn PDF document text
- http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607b1d2c90c87---22425803110.pdfIn PDF document text
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9c0af55b97---69411951684.pdfIn PDF document text
- https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/s0dp168cj9gtkcqhqgs6hm35t2/derisexezo.pdfIn PDF document text
- http://bsa.by/ckfinder/userfiles/files/15553811805.pdfIn PDF document text
- https://expeditions-travel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160743f18bc813---33561639900.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000111fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111FA | 5448 bytes |
SHA-256: a7cddd73e0760b196e673a968fb78b0fde7b80dda9fe70e87a223403c1ee2efe |
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font_01_sfnt_off00012470.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12470 | 11160 bytes |
SHA-256: f4b7e9c5f203ddab9bea01c99717ce0b435ba2b5bccfaf57557f23ead19669b1 |
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