MALICIOUS
226
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
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 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Image-heavy PDF with invisible link to suspicious domain high PDF_SUSPICIOUS_LINK_LUREPDF is a small image-heavy lure with invisible link annotations that send the user to a suspicious high-risk-domain URI. This matches credential-phishing carriers where the visible document is only a prompt and the real collection flow happens on the linked website.
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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://botokaw.ru/strik?utm_term=how+to+measure+blood+pressure+with+a+wrist+monitor PDF link annotation
- https://benerema.weebly.com/uploads/1/3/1/4/131408328/fefugidupu.pdfIn PDF document text
- http://copytoshka.ru/kizatibarixogesukodurumgtcq.pdfIn PDF document text
- https://wuxavuzipirugud.weebly.com/uploads/1/3/4/0/134012349/1026557.pdfIn PDF document text
- https://movireralu.weebly.com/uploads/1/3/4/8/134879142/80d68179a.pdfIn PDF document text
- http://teachersaid.fun/wujapozuvegoba4gr8w.pdfIn PDF document text
- http://krokoboko6.xyz/kadofumozamojelhx8g.pdfIn PDF document text
- http://vilopeg.xyz/parrot_mki9200_manual_espaolezd05.pdfIn PDF document text
- https://cdn.sqhk.co/kemivabesu/geNgfgd/68159677218.pdfIn PDF document text
- https://popokafiri.weebly.com/uploads/1/3/1/4/131437291/7347dc9.pdfIn PDF document text
- https://cdn.sqhk.co/geruvijiwiw/idPhhic/pinout_rj45_female_connector.pdfIn PDF document text
- https://cdn.sqhk.co/dolafita/VVigYBH/94881309244.pdfIn PDF document text
- https://kifeketefisub.weebly.com/uploads/1/3/5/3/135347095/8726493.pdfIn PDF document text
- http://about-central.com/75313527200lulb7.pdfIn PDF document text
- http://com-login8.xyz/ledefakenakuboiw8dd.pdfIn PDF document text
- http://mastericy-chistoty.ru/tm_meditation_technique_freemsv12.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/pasawexawinogad/lisezekeduja.pdfIn PDF document text
- https://s3.amazonaws.com/jajoxulabojaso/jalolazow.pdfIn PDF document text
- https://s3.amazonaws.com/dinilederu/57877500049.pdfIn PDF document text
- https://6acf0ca1-aa41-4771-8b91-54baff69ee7f.filesusr.com/ugd/7d1dc9_663e39cc7aba4a989db2566ab5dcff83.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/pulujolatepuv/wikinakogat.pdfIn PDF document text
- https://5db246a0-94da-4013-9f64-c970003367b9.filesusr.com/ugd/ca5179_48d41ab4a0604d4c9ce27bfff68e4f3c.pdf?index=trueIn 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_off0000f6ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6AE | 5272 bytes |
SHA-256: 264807c74f68514159ac4d49b13aafb7184633fb86ec0ef4e77202c8df0ed3d3 |
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font_01_sfnt_off0001086f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1086F | 11744 bytes |
SHA-256: d04483884ab144dd2aa42394dfa5252b9280edc427cdc08fbe084ee6d694b2b8 |
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font_02_sfnt_off00012f20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F20 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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