MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, containing numerous external links, with one pointing to `https://xezojetit.ru/123?utm_term=genetics+practice+problems+simple%2528+er+worksheet`. The presence of embedded URLs and the overall structure suggest it is designed to redirect users to potentially harmful sites, possibly for phishing or malware distribution.
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://xezojetit.ru/123?utm_term=genetics+practice+problems+simple%2528+er+worksheet PDF link annotation
- https://static.s123-cdn-static.com/uploads/4485005/normal_5fffa1311d448.pdfIn PDF document text
- https://vumazilizulorap.weebly.com/uploads/1/3/5/3/135300666/wozote_lurupevanejakat.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4480904/normal_5fd822d3e5508.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4478703/normal_6068cebc2790d.pdfIn PDF document text
- https://linozimonabeb.weebly.com/uploads/1/3/4/7/134726246/silajevupetekedujof.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374984/normal_605fff16d2247.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4487905/normal_601e772569668.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413693/normal_604467189c264.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4386829/normal_606da3430d01d.pdfIn PDF document text
- https://tuxatijofewimem.weebly.com/uploads/1/3/4/6/134686538/81c0f9c2.pdfIn PDF document text
- https://xebuwonivaxatev.weebly.com/uploads/1/3/2/6/132696015/d6cbd.pdfIn PDF document text
- https://gebusoju.weebly.com/uploads/1/3/0/9/130969184/pupuleri_furemezavo.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/819b1324-6d2a-4bb0-94b9-163cf80afcab/wasifunisolir.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2c820c1c-0f83-4eee-ab9d-585aced4ce99/tharntype_novel_book_2.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1034b555-be58-4673-95a9-ffd611d49af7/does_consequence_have_a_negative_connotation.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8b88009d-d2b9-4a13-91c3-5e80e7838a71/10939146769.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8a29f04f-12ea-492a-a9bd-31dce934e10b/42824261104.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/11f02eca-e486-4a7d-9ede-90d19484b2c4/bujojekemolakiwizi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/af720839-1438-4c73-b158-fa09ff218e9c/lijupilobekatexelena.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/56eda4aa-b91c-4765-a33e-f8304236a863/jubegesododapajaxumi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5d2b27be-0560-463d-a5c3-ae7d3e17cd9b/gidopaxiruw.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/496468eb-2f1d-4d70-8159-219030648a96/epilogo_ejemplo_de_antologia.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_off0000dab7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAB7 | 5580 bytes |
SHA-256: e037f9ec7eae16f8e1c5664015dc7d519488bfe4a6f6865583f4e9a521c03074 |
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font_01_sfnt_off0000ed9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED9F | 9708 bytes |
SHA-256: e6f619daef0fffb5000ba7218d5f069d4a0a611950036db3b50286d1ebfe1ca2 |
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