MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a link farm with numerous external URLs, suggesting it is designed to redirect users to potentially harmful sites. The document body, though heavily obfuscated, appears to be a lure related to an electronics book, likely to entice clicks on the embedded links.
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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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://bologen.ru/strik?utm_term=grob%2527s+basic+electronics+10th+edition PDF link annotation
- https://wexubowepupewaw.weebly.com/uploads/1/3/1/8/131856394/4730997.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4481699/normal_60080421da0c4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388060/normal_6051fd342d2e0.pdfIn PDF document text
- http://foxinawolukomat.iblogger.org/cheap_android_phones_sim_free_uk.pdfIn PDF document text
- https://maselevajaf.weebly.com/uploads/1/3/1/3/131398143/zazivisizo.pdfIn PDF document text
- http://pelososone.22web.org/ct_angiogram_report.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4422135/normal_60335a656b783.pdfIn PDF document text
- https://vazexisosumufil.weebly.com/uploads/1/3/4/4/134465451/xumonuki-rifoxasov-muvogevokuz.pdfIn PDF document text
- https://xavitutasufeja.weebly.com/uploads/1/3/4/6/134669981/24320a620.pdfIn PDF document text
- http://bytlly.com/1ar9waIn 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/0cc6df61-6967-4a17-a289-b322b75e2a52/91853379861.pdfIn PDF document text
- https://6d8b2927-5c4d-40df-b593-c6bd35e19528.filesusr.com/ugd/1adac8_04cd0f72e7dd441f89a318d9dfbcf901.pdf?index=trueIn PDF document text
- https://95a57b4d-a24c-4412-bd87-88f4f885d252.filesusr.com/ugd/011e4b_75cc29b438544ca59aefefc286b7253c.pdf?index=trueIn PDF document text
- http://ravawubiralimiw.rf.gd/16558847820.pdfIn PDF document text
- https://78905da9-dd21-4190-abaa-c894c042e703.filesusr.com/ugd/851c7c_b6f4099bc7a648909d6a4201ad8fd3ff.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/8f91982e-46c9-436c-bfdd-4970f206c770/what_does_it_mean_when_your_ac_light_flashes.pdfIn PDF document text
- http://genolesatoj.epizy.com/damien_williams_chiefs_injury_report.pdfIn PDF document text
- https://5e1449e8-5ae4-4a15-bc7a-ee23795bc964.filesusr.com/ugd/3a34a5_f0397a7275e64636bb169dc53a12524b.pdf?index=trueIn PDF document text
- http://moxutomib.rf.gd/48649733365.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/38674844-b016-4103-92f3-0234ea6ac898/3355956949.pdfIn PDF document text
- https://ed457e25-7262-4bf7-b769-9a3df1da8a49.filesusr.com/ugd/60ac0c_3549b7c8a2da4ad1ad84c6832c3ba0a8.pdf?index=trueIn PDF document text
- https://a79fbd7c-12a6-44fe-9d3c-43dc2b0795a8.filesusr.com/ugd/f95141_a67a20b37edf481bb0964ccd72f5c758.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_off0000ea41.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA41 | 5424 bytes |
SHA-256: f5177a2a5768dc6c7bbbf9fd4328f4fdcc9ff4377f3482abeed57f0e978b770b |
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font_01_sfnt_off0000fcab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCAB | 10876 bytes |
SHA-256: 456547b29023ae7016e1c2ed46404da1b6d12ebd41d2169f2e1af214d35e133c |
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