MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many hosted on disposable domains, indicating a link farm designed to direct users to potentially malicious sites. Heuristics like PDF_SEO_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM strongly suggest this malicious intent. The ML classifier and ClamAV detection further confirm the malicious nature of the file, likely serving as a lure for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://dugedepap.ru/strik?utm_term=do+you+capitalize+the+word+university PDF link annotation
- https://cdn-cms.f-static.net/uploads/4385021/normal_60418cfbd1fef.pdfIn PDF document text
- https://fimezerix.weebly.com/uploads/1/3/4/4/134478386/lovivipipe.pdfIn PDF document text
- https://zuxosudeti.weebly.com/uploads/1/3/4/3/134359900/1559889.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426966/normal_5fdc0a41b4cfa.pdfIn PDF document text
- https://gegirugotosizuk.weebly.com/uploads/1/3/5/3/135397722/tutixekegosarazajese.pdfIn PDF document text
- http://jibakerutev.mypressonline.com/which_disneyland_theme_park_is_the_best.pdfIn PDF document text
- https://vaseviga.weebly.com/uploads/1/3/3/9/133986607/panajevur.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4401545/normal_6028b090cd67b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426810/normal_5fd160a21ed27.pdfIn PDF document text
- https://bubafoxir.weebly.com/uploads/1/3/0/8/130874260/rebek_tumuso_bidasepogun.pdfIn PDF document text
- https://bilagezapa.weebly.com/uploads/1/3/1/1/131163658/8368541.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4428033/normal_602f1b049555d.pdfIn PDF document text
- http://xakidofe.sportsontheweb.net/96881158413.pdfIn PDF document text
- http://fobativ.mywebcommunity.org/lizovotofapimipon.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4467027/normal_602f440c65058.pdfIn PDF document text
- https://wizisenax.weebly.com/uploads/1/3/4/3/134320615/5829417.pdfIn PDF document text
- http://gagimubu.mywebcommunity.org/bugolibabatosamuvujaruv.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://d52369c8-37f2-40d9-9d5f-d682b3b4a2e4.filesusr.com/ugd/6d5a7b_8aa9cc7f1c954c2190bb75a0518fb752.pdf?index=trueIn PDF document text
- https://eaae50f7-3b1c-4f1b-9b3c-e2a48377569d.filesusr.com/ugd/b96e41_492219dffc4440e69689e634cc285769.pdf?index=trueIn PDF document text
- https://5bf49506-6ef1-42f8-8f90-7e3689255fd3.filesusr.com/ugd/8fe1bf_4821b6445df9426ba3cdf9a5f4b0ced5.pdf?index=trueIn PDF document text
- http://jokubamobivavum.onlinewebshop.net/45793938288.pdfIn PDF document text
- https://a49a6154-edc8-4132-95a2-c7bb8d673fe9.filesusr.com/ugd/551169_490e84f3dafc4885a58afd7568a77173.pdf?index=trueIn PDF document text
- https://3a00e800-a8eb-44ae-aafc-ae9aecab8e06.filesusr.com/ugd/1715bf_624888a061174bffa05531e7800a857f.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_off0000f23b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF23B | 5464 bytes |
SHA-256: d7fd1ca06f3f8b777d8e9d80bcf0737eb2d7e4771438590e3bd041d156b64c84 |
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font_01_sfnt_off000104f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104F6 | 11040 bytes |
SHA-256: 1d08f160c77a02bc1922bb3c0be8611f99f93b5f7dd3d0ffc8c155b0381578df |
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