MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
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 0.9992
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://medvor.ru/pbw?utm_term=is+cr3%252B+paramagnetic+or+diamagnetic PDF link annotation
- https://jepopiravu.weebly.com/uploads/1/3/4/1/134131497/fasilukogebunukigor.pdfIn PDF document text
- https://majizozu.weebly.com/uploads/1/3/4/5/134598595/bewujovaxojulel.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4481059/normal_5fff404e9db19.pdfIn PDF document text
- https://zaxonoso.weebly.com/uploads/1/3/1/3/131381259/sifiwi.pdfIn PDF document text
- https://domomizidum.weebly.com/uploads/1/3/4/2/134235459/weguxejivebix.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4495846/normal_600a6c71b86a5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409246/normal_605ee65edc224.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454167/normal_6034374a4b530.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490529/normal_6048ed1b03cf6.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://sonopewobu.pbworks.com/w/file/fetch/144580041/b90_sports_music_watch_instructions.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/30557bc5-5c5e-44c3-98dc-32486b555047/gonaj.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3210d706-5b86-48bb-955b-59cea70c8dd6/how_to_replace_lazy_boy_recliner_mechanism.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ec2b73a9-3932-427c-8215-ec750fb8c50b/how_to_calculate_normal_stress_in_direct_shear_test.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fc2569a5-50b4-421b-9390-34344f2ea886/zitizaledilunul.pdfIn PDF document text
- http://goferupemo.pbworks.com/w/file/fetch/144582381/how_often_should_i_service_my_mini_cooper.pdfIn PDF document text
- http://fevosezew.pbworks.com/f/nivolibotonulizusuzatumop.pdfIn PDF document text
- http://zusemivak.pbworks.com/w/file/fetch/144590556/wavowutubofa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ff9c6c1b-afe0-4231-86b5-da95e58b5068/the_art_of_business_communication_graham_shaw_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/54346dd1-9889-471c-b83f-7a8c06260cb4/pokafudafeka.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/01857d8a-0ba5-4a33-9ae6-5edd99cb787c/9850246321.pdfIn PDF document text
- http://wekibivu.pbworks.com/f/diggy_2_hacked_unlimited_money.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e95eed8e-3c8f-4424-b3d5-c894773eaf62/regunigivawifimu.pdfIn PDF document text
- http://favixose.pbworks.com/w/file/fetch/144539934/xetekufumiratunisuvobut.pdfIn 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_off0000e4ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4FF | 5460 bytes |
SHA-256: 30ff457f4fea9b8ffe20e0ba3461153f125d6ae0756cb712578fdf40ae889916 |
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font_01_sfnt_off0000f775.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF775 | 11280 bytes |
SHA-256: fc09a501b0635d6f36345bc2d2a55d9e3227acf0c2255bd0433f8602f58e4fea |
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