MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier with high confidence. It contains a large number of external links, many pointing to disposable domains, indicating a link farm designed to redirect users. One of the primary URLs observed is zajinet.ru, which is likely part of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://zajinet.ru/strik?utm_term=can+you+transfer+from+one+home+depot+to+another PDF link annotation
- http://likolikutajo.22web.org/mini_long_haired_dapple_dachshund_for_sale_near_me.pdfIn PDF document text
- https://wufonujixu.weebly.com/uploads/1/3/4/3/134386315/8837843.pdfIn PDF document text
- https://wadagoxegoti.weebly.com/uploads/1/3/4/3/134385229/sukolojivasukop.pdfIn PDF document text
- https://vedagerirujo.weebly.com/uploads/1/3/6/0/136055295/14f969a5bf1f2.pdfIn PDF document text
- https://vogoniboka.weebly.com/uploads/1/3/1/0/131070279/7732e7.pdfIn PDF document text
- https://kuwodugedo.weebly.com/uploads/1/3/0/7/130739904/lamijinuzewisokas.pdfIn PDF document text
- http://towonededuv.medianewsonline.com/12234920379.pdfIn PDF document text
- https://xifasojole.weebly.com/uploads/1/3/0/8/130873801/komevetokiwuder.pdfIn PDF document text
- https://tapuroxoj.weebly.com/uploads/1/3/4/5/134599682/0ecee4ef.pdfIn PDF document text
- http://lalikexitaxixix.getenjoyment.net/free_nitda_scholarship_aptitude_test_questions.pdfIn PDF document text
- http://tukomibewi.getenjoyment.net/89603130815.pdfIn PDF document text
- http://mumopajikex.mygamesonline.org/resoluo_2020_assembleia_geral_das_naes_unidas.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://33c7e2ec-32fc-4676-a642-9d95a4379e01.filesusr.com/ugd/622218_e99749011bb8411aac68ce2bc212a3e1.pdf?index=trueIn PDF document text
- https://da5bec28-7969-4117-8ffb-5069fce5e80c.filesusr.com/ugd/31593d_f6ecb9d0d24f44a28efeeda36d2db551.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/jidosatikim/95685848174.pdfIn PDF document text
- http://gozosowizopuk.rf.gd/87559805996.pdfIn PDF document text
- http://wevefudizob.rf.gd/29010782997.pdfIn PDF document text
- https://s3.amazonaws.com/kaxukok/64890320594.pdfIn PDF document text
- https://2e6726a7-2e78-456a-9fa1-8bc85c3b20a6.filesusr.com/ugd/76e31d_450a5137ee2e457ab1ffd1389f231ff9.pdf?index=trueIn PDF document text
- https://d7ae471b-a447-437d-81b4-4e603f8679d9.filesusr.com/ugd/0a3240_a469788c44964559a074d8bdfe3262e7.pdf?index=trueIn PDF document text
- https://901b9152-9067-49c5-8541-bb90c1a77dfa.filesusr.com/ugd/5d84e8_aab74a3894a5416a984decadc1ae217e.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/xidazeze/gonulimanemozevegotudawi.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00012133.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12133 | 5208 bytes |
SHA-256: 8bf013abc858d46be3e6e758732b9a74cc1b3e2b89bb8e0f679a5bac4b7cf5ad |
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font_01_sfnt_off000132c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132C7 | 11780 bytes |
SHA-256: e84f6f62d3443747e68b0160b806e3adcb8686b7cb673fa86bcfb641375b74df |
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font_02_sfnt_off00015a98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15A98 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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