MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of external links, many hosted on disposable domains, indicating a link farm designed to redirect users to potentially malicious sites. The presence of a 'PDF_SEO_LINK_FARM' heuristic firing and the ClamAV detection 'Pdf.Phishing.Trojan-d2568dad23a94d95-10044375-0' strongly suggest a phishing or malware distribution attempt. The document body, though heavily obfuscated, contains text related to data science, likely a lure to encourage clicks on the embedded malicious URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://maypoin.ru/strik?utm_term=introduction+to+data+science+data+analysis+and+prediction+algorithms+with+r+pdf+download PDF link annotation
- https://livubefelamujir.weebly.com/uploads/1/3/4/8/134899239/ddb81.pdfIn PDF document text
- https://tuvuneboginat.weebly.com/uploads/1/3/1/6/131606819/3853368.pdfIn PDF document text
- https://sixusiwof.weebly.com/uploads/1/3/1/4/131454093/jiviguku-favosatutapege-tovigifoled.pdfIn PDF document text
- https://jonimewogil.weebly.com/uploads/1/3/1/8/131860125/b5a567db526.pdfIn PDF document text
- https://cdn.sqhk.co/gapekozuwa/hfgkhjj/junonowifod.pdfIn PDF document text
- https://cdn.sqhk.co/rapowipijes/rgejhgh/city_island_airport_2_unlimited_money.pdfIn PDF document text
- https://cdn.sqhk.co/vulovosovem/ji3ge9X/gedalepanexepofese.pdfIn PDF document text
- http://remoliwagofaju.mywebcommunity.org/american_college_of_physicians_ethics_manual.pdfIn PDF document text
- https://wolunogejafijut.weebly.com/uploads/1/3/4/6/134649672/5277482.pdfIn PDF document text
- https://lusenivusimutom.weebly.com/uploads/1/3/4/8/134887898/cf36d3bab.pdfIn PDF document text
- https://cdn.sqhk.co/melipetoluf/jgukqbn/road_to_legend_guide.pdfIn PDF document text
- http://midorezif.iblogger.org/air_force_academy_hotel_in_colorado_springs.pdfIn PDF document text
- http://bazunujovi.scienceontheweb.net/watermark_acrobat_pro.pdfIn PDF document text
- https://tofuxatedev.weebly.com/uploads/1/3/4/7/134706151/zunuro.pdfIn PDF document text
- https://xanuzelikaba.weebly.com/uploads/1/3/4/8/134889809/4182853.pdfIn PDF document text
- https://sawamamuwez.weebly.com/uploads/1/3/5/9/135992332/5209459cb3.pdfIn 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/31bda045-b6cf-4aac-9dee-ba6b1f44b10b/omron_h3cr-f8_24vac_dc.pdfIn PDF document text
- http://rukawinasi.rf.gd/gobaduranazixof.pdfIn PDF document text
- http://kopolug.myartsonline.com/how_much_is_the_v_shred_app.pdfIn PDF document text
- http://sidovarodefomi.rf.gd/dc_learners_permit_test_answers.pdfIn PDF document text
- http://tisuvelepep.rf.gd/where_is_the_wps_button_on_my_netgear_router_c3700.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fb21b8a7-8c1e-4fd4-8302-c26c76c57c59/86838774542.pdfIn PDF document text
- http://tuxodubikanirod.atwebpages.com/tofuwamubinasug.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_off0000e984.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE984 | 5700 bytes |
SHA-256: 44f9b2caf01e2d01952d1f090f6af2f25c74af14b7af7e734cf1d19008d57821 |
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font_01_sfnt_off0000fcd5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCD5 | 11408 bytes |
SHA-256: d593545bf14e5d907be17a43dd2e53f5ee2babcbb9fa235b12c7ff6df8cb633f |
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