MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm designed to redirect users to potentially harmful content. The document body, though heavily obfuscated, appears to be a lure for educational material downloads, which is a common tactic for phishing and malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://archism.ru/pbw?utm_term=class+8+english+grammar+book+pdf+download PDF link annotation
- https://nakosedamewa.weebly.com/uploads/1/3/4/6/134612328/joloxadanujuj.pdfIn PDF document text
- https://fofagova.weebly.com/uploads/1/3/4/3/134313529/gonutirav.pdfIn PDF document text
- https://pifaxatopegamu.weebly.com/uploads/1/3/4/1/134108845/gunelalazev.pdfIn PDF document text
- https://nolupomesu.weebly.com/uploads/1/3/7/5/137510536/0c390ca2603c.pdfIn PDF document text
- https://pesilukijirizi.weebly.com/uploads/1/3/4/8/134864792/a67601.pdfIn PDF document text
- https://kaxalosenawa.weebly.com/uploads/1/3/4/5/134576513/9950766.pdfIn PDF document text
- https://setibadumizokeg.weebly.com/uploads/1/3/4/8/134880372/sodijilakoronuz_werukolisixaj_bumumuwono.pdfIn PDF document text
- https://wovusowi.weebly.com/uploads/1/3/4/8/134886666/nuturiwovulere.pdfIn PDF document text
- https://topuzuxet.weebly.com/uploads/1/3/0/7/130739133/lojebopetaripilepev.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
- https://uploads.strikinglycdn.com/files/cdb130c5-f554-4de7-b8f7-09e529b1051a/73763414130.pdfIn PDF document text
- http://pinurakus.pbworks.com/f/huawei_p8_lite_2015_update_android_8.pdfIn PDF document text
- http://jotoxipigi.pbworks.com/w/file/fetch/144448956/not_pass_probation_period.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f6a9af93-8041-440c-a6ad-dc74f8c09614/lunigapowexa.pdfIn PDF document text
- http://midevodimu.pbworks.com/w/file/fetch/144921471/jafotoruterapu.pdfIn PDF document text
- http://rivikixizub.pbworks.com/f/todifuruzumokizosemojed.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bc6ae540-7674-4f46-95f3-f320a6b7ece5/la_la_land_-_epilogue_advanced_piano_cover_with_sheet_music.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/be6d4ddd-b91a-44d3-a932-67396d2b01ca/crystal_report_tutorial_in_asp.net_c.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/affa8f1b-f44a-41e5-aab7-d94e507b0d5c/what_are_the_symptoms_of_a_bad_egr_sensor.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f7f095a4-bfe7-4501-858d-92fae68cd2bc/jukogozojuvojixajoxedu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d9f9e077-1f7e-46c3-9f92-7565eee21582/32901264954.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ca7c895d-1b32-4985-a155-23cdcef7d349/bhagavad_gita_chapter_15_lyrics_in_tamil.pdfIn PDF document text
- http://zexowisam.pbworks.com/w/file/fetch/144756303/79434156795.pdfIn PDF document text
- http://demopefo.pbworks.com/f/4753133.pdfIn PDF document text
- http://buvavipoluvu.pbworks.com/f/is_roblox_studio_compatible_with_chromebook.pdfIn PDF document text
- http://luwapoveduvi.pbworks.com/f/free_hwk_support_suite_2.11_download.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_off00010230.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10230 | 5676 bytes |
SHA-256: 13c8ad5de94005a1b42e2aadb5ca7bf0c68465d85f6fd8052215f1e692991cb3 |
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font_01_sfnt_off00011547.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11547 | 11048 bytes |
SHA-256: f2acc5bc033923dcc3c65edaf542dca7d141d6bbd6f8ea4747cd0ef4e2434f18 |
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font_02_sfnt_off00013aeb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13AEB | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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