MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of embedded links, with at least one pointing to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, a tool often used to create SEO spam or phishing pages. The presence of numerous links to disposable hosting and potentially malicious domains strongly suggests a phishing or link-farming attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://dafemum.ru/strik?utm_term=can+fitbit+charge+hr+battery+be+replaced In PDF document text
- https://cdn-cms.f-static.net/uploads/4420907/normal_5fd653778e49b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4475588/normal_5fe26dbd73be5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378827/normal_602824c27ff23.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4403561/normal_5ffa6950c7fbc.pdfIn PDF document text
- https://cdn.sqhk.co/zanivuwiduvo/aam6oib/forward_assault_pc_no_download.pdfIn PDF document text
- https://cdn.sqhk.co/murafabu/e6jfjij/gidikuvifowewi.pdfIn PDF document text
- https://beponelife.weebly.com/uploads/1/3/1/1/131164358/lofavono.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4475872/normal_5ff717e70d9a0.pdfIn PDF document text
- https://sikufotoxatufik.weebly.com/uploads/1/3/4/4/134458503/zugawi.pdfIn PDF document text
- https://cdn.sqhk.co/sevigexew/hjzl923/word_games_to_play_with_friends_on_phone.pdfIn PDF document text
- https://cdn.sqhk.co/wixikinotu/h4qjfha/dungeon_village_2._0._7_apk_free.pdfIn PDF document text
- https://varigezizado.weebly.com/uploads/1/3/4/4/134480105/7862427.pdfIn PDF document text
- https://cdn.sqhk.co/xejudawadoni/BCXjggj/apk_untuk_video_di_twitter.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4499653/normal_6058ee988c707.pdfIn PDF document text
- https://cdn.sqhk.co/xenojepezere/gjjKIos/brain_games_free_online_for_seniors.pdfIn PDF document text
- https://madudezogimune.weebly.com/uploads/1/3/4/3/134326665/4c7e2c224.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383147/normal_604b2b7e5b1ed.pdfIn PDF document text
- https://xafuzijinole.weebly.com/uploads/1/3/4/6/134667747/2524543.pdfIn PDF document text
- https://xagajanum.weebly.com/uploads/1/3/4/5/134599721/divizojodutuku.pdfIn PDF document text
- https://bamewubi.weebly.com/uploads/1/3/2/3/132303354/pejebebak-duxagosarunara-fatozaguv.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
- 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_off0000fd1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD1D | 5184 bytes |
SHA-256: 178918b4a54d961fd7ca8b1ddbb9f555ba8a838cce091c71eeda50da8a5e5b0b |
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font_01_sfnt_off00010ebd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EBD | 10960 bytes |
SHA-256: 80a65f895866a7415e74e93f50e43c2d0e9c750fadaba8d7a38bbc2949503b03 |
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font_02_sfnt_off00013418.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13418 | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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