MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://gimoguvi.ru/123?utm_term=digit+place+value+worksheets PDF link annotation
- https://static.s123-cdn-static.com/uploads/4414156/normal_5fec1b01361e4.pdfIn PDF document text
- https://kujegafibez.weebly.com/uploads/1/3/4/2/134265926/fezelot.pdfIn PDF document text
- https://dadizatutelebi.weebly.com/uploads/1/3/1/0/131070904/dedogumarum.pdfIn PDF document text
- https://dikasawo.weebly.com/uploads/1/3/5/3/135349802/zipipamajenuga.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4475194/normal_6055f02283a35.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417139/normal_5feaf7463b82f.pdfIn PDF document text
- http://kexipisibufexur.22web.org/zaveranololarodud.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4484103/normal_6003b49b08a41.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4444096/normal_5fd6630d41e4e.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/xowasosuf/xovogexavidimusa.pdfIn PDF document text
- https://e691ad07-92dc-45fa-af10-8929b4045ede.filesusr.com/ugd/87b9a8_009fef8bb46e4d078ba1e3ca4eaab0da.pdf?index=trueIn PDF document text
- https://f84ffea9-2755-49c2-9cb5-47ca8b55fe65.filesusr.com/ugd/0adedf_96c98579e67149539d8f30784279a469.pdf?index=trueIn PDF document text
- https://d4078116-a2d5-466f-97e6-20d899f6ca30.filesusr.com/ugd/576447_4ed3bced073b446cac744aff6cb2e0e4.pdf?index=trueIn PDF document text
- https://190d602c-e74a-4ea1-b1d2-d722d7947d0f.filesusr.com/ugd/1eddd4_557c9a53aab641fea7b6bab6518e8f13.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/13256599-014b-48d0-8485-40f29503cf4f/social_media_marketing_for_dummies_book.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b888d1ee-350d-4821-8f1d-f7e6db741722/65473592792.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/887e66c1-0059-4a96-92f5-1e93d3610ad7/accredited_online_anatomy_and_physiology_course_with_lab_in_texas.pdfIn PDF document text
- https://5c90cfa9-af55-48e2-9430-1f3580382729.filesusr.com/ugd/e2b09b_4d6574c0e74748959c9e30d15dd4e17e.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/dojonuta/33365313184.pdfIn PDF document text
- http://vonimamodiji.rf.gd/text_classification_dataset.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/47615191-15e1-4172-b54e-ffdfdc4652a2/13591362040.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b51ec78d-3bbe-48f7-aa58-ff3a1f5288b0/lopefek.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://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_off0000ef34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF34 | 5408 bytes |
SHA-256: 560bf67cae197ea4f11c9a1605b49f37f04730f8e8dc5b14e91a08473723f427 |
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font_01_sfnt_off000101b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101B5 | 10376 bytes |
SHA-256: 7447a3cb85bdc62dfefcdee30544c110951a76f7279f83252bba0f05e3db21cc |
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