MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a significant number of external links, identified as a link farm, suggesting a phishing or SEO manipulation scheme. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs point towards a malicious document designed to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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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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://nipisod.ru/strik?utm_term=do+oral+b+toothbrush+heads+fit+all PDF link annotation
- https://cdn.sqhk.co/putuziboki/hbjR4ia/best_screen_time_limit_app_for_ipad.pdfIn PDF document text
- http://lulerazo.iblogger.org/how_to_add_emotion_to_your_writing.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4367013/normal_5fdee745c3c4b.pdfIn PDF document text
- https://cdn.sqhk.co/bimepefav/hHVo9jg/tirasojotasufokipem.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375515/normal_602c769ca28bc.pdfIn PDF document text
- https://cdn.sqhk.co/figoveraboj/Wjd9mAu/airtel_recharge_list_4g.pdfIn PDF document text
- https://cdn.sqhk.co/riwifesineji/hfNjaib/beard_club_trimmer_review.pdfIn PDF document text
- https://cdn.sqhk.co/nisisepolo/hAGWtid/53080239280.pdfIn PDF document text
- https://tedaliduvif.weebly.com/uploads/1/3/5/9/135957254/75479f6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4506131/normal_601b55cd56978.pdfIn PDF document text
- http://bejuzoz.iblogger.org/76296184839.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4372972/normal_604ab85e27dcb.pdfIn PDF document text
- https://cdn.sqhk.co/bifoligi/ies8xjg/bavoforigijiso.pdfIn PDF document text
- https://tunegize.weebly.com/uploads/1/3/4/5/134500295/jitoritam-nemazav-dedokugisi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4407070/normal_5fd3b49239553.pdfIn PDF document text
- https://cdn.sqhk.co/tezofugowura/ihegcOb/wubotulunulawalepiguwuvul.pdfIn PDF document text
- https://cdn.sqhk.co/ributexovek/mOeCp7X/app_lock_android_best.pdfIn PDF document text
- https://cdn.sqhk.co/gonolesuzam/S3ggjdW/texuwizejosezutafatirega.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://nidawijonag.rf.gd/new_malayalam_movies_free_2019.pdfIn PDF document text
- https://10bc5e17-7652-4c7e-9b43-999b3eb3b021.filesusr.com/ugd/5edc69_eb51a10bd2f840368c9aaf0531c9e67f.pdf?index=trueIn PDF document text
- http://rafoputoxuxu.epizy.com/exhibition_enquiry_form_template_word.pdfIn PDF document text
- https://6c473ef0-402e-45f0-9f95-6bc7e89a6a1a.filesusr.com/ugd/5518c3_fa6a39f3a6274c8bb026624bc948e158.pdf?index=trueIn PDF document text
- https://3f46bf15-0a8c-4e80-b3e5-a2e3bf90e008.filesusr.com/ugd/8e6e76_8a3b5306379a43539102d99fff28e1af.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f8c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8C1 | 5136 bytes |
SHA-256: 16d1ba54686f5902fc56549b37dc8bf94354f00a45069dd57385cc81baa845bc |
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font_01_sfnt_off00010a2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A2C | 11760 bytes |
SHA-256: f28349c70f0fa39e9d665578f0ebceb58f85ace5620e60e4a6a9e2e62513699a |
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