MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by a ClamAV signature and an ML classifier. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm or SEO manipulation tactic. One of the primary URLs extracted is https://seumenha.ru/strik?utm_term=cbt+worksheets+for+perfectionism, which is likely part of a phishing or malicious redirection scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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://seumenha.ru/strik?utm_term=cbt+worksheets+for+perfectionism PDF link annotation
- https://wefizaxire.weebly.com/uploads/1/3/0/9/130969527/8102069.pdfIn PDF document text
- https://tewabigonin.weebly.com/uploads/1/3/4/7/134760563/kepirovofepi.pdfIn PDF document text
- https://katozela.weebly.com/uploads/1/3/0/8/130874493/lupulifuvesukejus.pdfIn PDF document text
- https://fuparududewon.weebly.com/uploads/1/3/1/8/131856041/supugeda.pdfIn PDF document text
- https://rizafosukozesal.weebly.com/uploads/1/3/5/3/135346652/6010683.pdfIn PDF document text
- http://wamuwosola.mygamesonline.org/1483188048.pdfIn PDF document text
- https://nupinegudoxaxu.weebly.com/uploads/1/3/5/3/135350485/mixozi.pdfIn PDF document text
- http://saroforati.medianewsonline.com/jorasexikisojuz.pdfIn PDF document text
- https://vozexipazaxa.weebly.com/uploads/1/3/4/4/134444785/3720080.pdfIn PDF document text
- http://tinubawolu.mywebcommunity.org/python_tutorial_beginner_to_advanced.pdfIn PDF document text
- https://bumaxaxup.weebly.com/uploads/1/3/4/2/134235918/pogaxik.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://s3.amazonaws.com/xewamejixolefaj/what_is_non_parallel_sentence_structure.pdfIn PDF document text
- https://s3.amazonaws.com/fumiposamisur/cos_180-theta_value.pdfIn PDF document text
- https://d1ee23ee-9ccf-45b0-80ef-1e1ff1f657c4.filesusr.com/ugd/9ef0c3_949a1826fba64ca297743d90ca343433.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/7298202a-dee6-4ec0-9735-6965668f24de/verbal_reasoning_test_questions_and_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6ee59fed-5ff1-4ed5-8133-0bb250a6fe30/78420792307.pdfIn PDF document text
- https://s3.amazonaws.com/sezebepit/46235325466.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9a7c14c3-da24-499f-9d23-9f855e9edc88/37849761132.pdfIn PDF document text
- http://laxufazekez.atwebpages.com/boston_market_menu_prices.pdfIn PDF document text
- https://s3.amazonaws.com/ladojenefe/fuvomafifowi.pdfIn PDF document text
- https://5c839259-519f-4cee-a1a2-6639d654070b.filesusr.com/ugd/140efa_27ea7ad6e34b4ddcb00d0e0a4c1676d1.pdf?index=trueIn PDF document text
- http://rodedewezijore.atwebpages.com/how_to_mix_paint_4-1-1.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_off00012d1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D1B | 5120 bytes |
SHA-256: e585e8613baf80cb70bc83d3cfd0ce5323c142a1cbdd905cfc2719ae92329aab |
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font_01_sfnt_off00013e69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E69 | 10468 bytes |
SHA-256: a77a746feedb94138748b842317865fe06e4fea0764469f2e1eb571e9190ddc5 |
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font_02_sfnt_off00016224.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16224 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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