MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many pointing to disposable hosting, and one critical heuristic identified it as a malicious redirector. The ML classifier and ClamAV also flagged this file as malicious, specifically as a phishing trojan. The embedded URLs suggest an attempt to drive traffic to potentially malicious sites, masquerading as academic resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://yafferge.ru/award?keyword=coronary+circulation+anatomy+and+physiology+pdf In PDF document text
- https://mijipunipiju.weebly.com/uploads/1/3/1/4/131455283/6493788.pdfIn PDF document text
- https://cdn.sqhk.co/wanevakaxuma/gh1Shjg/dish_anywhere_watch_on_iphone_not_working.pdfIn PDF document text
- https://kevonixoxudunu.weebly.com/uploads/1/3/0/7/130775897/a7ebdd2.pdfIn PDF document text
- https://cdn.sqhk.co/pepupiribojo/ChjUggU/artificial_intelligence_a_modern_approach_4th_edition_github.pdfIn PDF document text
- https://wiwazojuxosupud.weebly.com/uploads/1/3/1/3/131379189/4047940.pdfIn PDF document text
- https://cdn.sqhk.co/bapuparit/jeicggW/conquest_of_bread_pages.pdfIn PDF document text
- https://zolujalu.weebly.com/uploads/1/3/1/8/131856956/9475070.pdfIn PDF document text
- https://zudobusida.weebly.com/uploads/1/3/5/3/135330479/5622199.pdfIn PDF document text
- https://cdn.sqhk.co/xerejijasoma/cicIifh/top_10_hit_songs_of_the_70_s.pdfIn PDF document text
- https://cdn.sqhk.co/jogepirar/iZHERie/emoney_order_online.pdfIn PDF document text
- https://cdn.sqhk.co/tisumusef/c5jVBhd/forest_survival_game_mod_apk.pdfIn PDF document text
- https://zinelenugep.weebly.com/uploads/1/3/1/6/131636957/rebot.pdfIn PDF document text
- https://cdn.sqhk.co/mibemofega/jchfuhb/anime_guy_with_dead_fish_eyes.pdfIn PDF document text
- https://cdn.sqhk.co/gilubibawi/p8kH7hj/zefusogojowukalixul.pdfIn PDF document text
- https://koxawikala.weebly.com/uploads/1/3/4/6/134643159/lafava.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- http://nunusama.rf.gd/ncert_english_grammar_book_for_class_2.pdfIn PDF document text
- https://s3.amazonaws.com/boxujetanonikuv/ac3_audio_format_for_android.pdfIn PDF document text
- http://lugopupi.rf.gd/anatomy_of_story_worksheet.pdfIn PDF document text
- https://s3.amazonaws.com/bugutaj/10114105882.pdfIn PDF document text
- https://s3.amazonaws.com/vibuvomomuv/call_waiting_hd_video_song.pdfIn PDF document text
- https://s3.amazonaws.com/tesodagiwor/badshah_full_bengali_movie.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010c0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C0E | 5460 bytes |
SHA-256: f8e743a45fc76e9f984ee01cceb3a05fe00790d666f91617afff447a9fc1c9a8 |
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font_01_sfnt_off00011e72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E72 | 11032 bytes |
SHA-256: 8e89c504d57b67e51e8e67299ccd4b3e90b0181fa57ab828b24715d2c9e9aa58 |
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font_02_sfnt_off0001440a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1440A | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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