MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
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 5
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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 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://coretry.ru/pbw?utm_term=what+are+the+types+of+oral+literature PDF link annotation
- https://cdn-cms.f-static.net/uploads/4446285/normal_6050ef20687af.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4392872/normal_5fcf4e79c8c8a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375507/normal_602e0c9f9c297.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4407998/normal_6063a2bb9d70b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4444630/normal_60502a9c105ff.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4428335/normal_600d9f6ece9f2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4423750/normal_60199949991f1.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/2656f5db-1659-48c8-b4c6-d447b1f94a3b/expert_c_programming.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e112ce80-629f-438f-a248-e0a69b6e16d7/gufobizatunujozub.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c718bf4d-7f8b-4061-99f4-d62e8ddc69e7/5195592215.pdfIn PDF document text
- http://vowujepojez.pbworks.com/w/file/fetch/144427335/54254984990.pdfIn PDF document text
- http://xuruzinijub.pbworks.com/w/file/fetch/144423876/slumdog_millionaire_book_macmillan.pdfIn PDF document text
- http://wuwazilizos.pbworks.com/w/file/fetch/144424473/fenuvovapulo.pdfIn PDF document text
- http://nusuwoxub.pbworks.com/f/how_to_find_the_median_of_grouped_data.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/da7a7fc2-8236-4a87-a909-5e081096d55a/65857257872.pdfIn PDF document text
- http://funinupun.pbworks.com/w/file/fetch/144418524/nudexumu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bebc0095-9243-4ad4-a4a6-35f1d60af49a/understanding_psychology_12th_edition.pdfIn PDF document text
- http://wuvebag.pbworks.com/f/financial_statement_analysis_and_security_valuation_5e_by_penman_s.h.pdfIn PDF document text
- http://zemenifinabe.pbworks.com/f/78613616211.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010f8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F8D | 4880 bytes |
SHA-256: de3428d443fea22f2d30d69679324e0efa992233f42b499130b9b7a55f9cdda1 |
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font_01_sfnt_off00012050.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12050 | 10468 bytes |
SHA-256: 79b1bd1ddd75286b1a35553107a07da2fc35d5efbe16292eb86519abd74b62fd |
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font_02_sfnt_off00014432.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14432 | 16204 bytes |
SHA-256: 532315dfdc59b350d447ad91845dd8cc72a836e684f536ab9a4305dc5b53fb8e |
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font_03_sfnt_off00015962.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15962 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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