MALICIOUS
226
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses an MFA/2FA-themed lure. 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 0.9997
Heuristics 7
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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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MFA / one-time-code harvesting lure high SE_MFA_LUREDocument asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
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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://queure.ru/pbw?utm_term=amc+security+pro+serial+key+free+2020 PDF link annotation
- https://baresifesej.weebly.com/uploads/1/3/4/1/134131831/2212336.pdfIn PDF document text
- https://nategenuniko.weebly.com/uploads/1/3/4/7/134749174/wimiwimov-bagopexejajenal-tudosadoboza.pdfIn PDF document text
- https://tetavezodumop.weebly.com/uploads/1/3/4/6/134645623/kixogubekupore_pipeforapu.pdfIn PDF document text
- https://selijexobava.weebly.com/uploads/1/3/1/8/131856120/3403991.pdfIn PDF document text
- https://baludofagufa.weebly.com/uploads/1/3/4/0/134096440/561596822c3d.pdfIn PDF document text
- https://lijoliwaxodoxi.weebly.com/uploads/1/3/1/3/131398144/gemujuzeb.pdfIn PDF document text
- https://fugokepak.weebly.com/uploads/1/3/4/8/134856046/tisiramisozitepu.pdfIn PDF document text
- https://lodufowuk.weebly.com/uploads/1/3/4/5/134593986/rufina.pdfIn PDF document text
- https://fubabogi.weebly.com/uploads/1/3/4/6/134617409/7882228.pdfIn PDF document text
- https://debozapo.weebly.com/uploads/1/3/1/1/131164198/9bf25b8dad3b76a.pdfIn PDF document text
- https://rizaxobekame.weebly.com/uploads/1/3/4/6/134698747/japejuzutar.pdfIn PDF document text
- https://jotuxopa.weebly.com/uploads/1/3/4/2/134265841/zanugaroku.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/97dc68a9-1818-4c56-b5b7-3c093d0b519e/26865918349.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/12e02383-f5bd-45fa-895b-7c0349f8d382/chefs_choice_knife_sharpener_model_110.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7f1b2c3e-6529-463f-bc36-de4907d41b8b/maschine_mikro_mk3_price_in_india.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e70c863e-fddc-4f9e-bab2-f1fef18775b0/jarojati.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c099cf7c-6300-4868-9404-22a5f27c284b/49400066860.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/379fc945-b34a-4272-bc7e-14cb05ce1294/risoj.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/845bed7f-85ba-4cdb-a453-cf362c5703f2/who_makes_the_best_ratchet_belt.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/05bf997e-0145-480e-aeeb-f6e56ece592e/the_hound_of_the_baskervilles_jeremy_brett_dvd.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_off0000e232.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE232 | 5592 bytes |
SHA-256: a29e7b0e7e56135fb63f5398f88211dec092de5a12d66c5d61baac34de7333eb |
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font_01_sfnt_off0000f52f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF52F | 10280 bytes |
SHA-256: 4d0d30f2504ea69a48adabe0216456c5385ac906d5449050f36fbaa6375930bc |
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