MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was identified as malicious by ClamAV and an ML classifier, indicating a high probability of malicious intent. It contains a large number of external links, many pointing to disposable hosting, suggesting it's part of a link farm designed to generate traffic or SEO benefits. The document body, though heavily obfuscated, contains references to 'electron configurations answer key' and 'wkhtmltopdf', hinting at a lure to disguise the malicious nature of the links. No scripts were extracted, but the PDF structure itself facilitates the redirection to numerous external URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://huntic.ru/pbw?utm_term=electron+configurations+answer+key PDF link annotation
- https://zuwodavipufowaf.weebly.com/uploads/1/3/1/4/131408056/pijerupo_tutinidonavete_wejokon.pdfIn PDF document text
- https://kalepadakib.weebly.com/uploads/1/3/1/6/131637037/kaxufijavorarop.pdfIn PDF document text
- https://gomopurijovovuj.weebly.com/uploads/1/3/5/3/135390772/lirugoxirevugukawop.pdfIn PDF document text
- https://xisegebimir.weebly.com/uploads/1/3/4/3/134340076/lofepomujubox_lexenapuso_navule.pdfIn PDF document text
- https://suxokigivulumu.weebly.com/uploads/1/3/4/4/134479742/gajarufovubuz-zulipif-xinofag-modomotud.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/9dd2177e-003c-42c0-986c-5bf7181ab8dd/how_to_calculate_vif_in_eviews.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bd614764-9654-422c-8c88-64dbfb7c4dd1/59995798169.pdfIn PDF document text
- http://muxopal.pbworks.com/w/file/fetch/144471186/13831432375.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7073d753-07b9-478f-bc6d-7bc79c2ee591/supply_chain_management_software_for_small_business.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/01f0b10a-c159-42db-a42b-7781adb7047d/14790036051.pdfIn PDF document text
- http://nolumemonip.pbworks.com/f/darokerudurow.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f9e610cf-40aa-490c-ac8b-faae2531df96/heat_exchanger_design_handbook_kuppan_thulukkanam.pdfIn PDF document text
- http://kosumepifise.pbworks.com/w/file/fetch/144933441/41509371025.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c6d5c320-9311-4c11-832e-53f56c888f66/zetobutedojufefek.pdfIn PDF document text
- http://niwomif.pbworks.com/w/file/fetch/144427242/zevuruvotar.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/29002918-a18b-42b6-bf68-4ec4d990b72f/the_rule_of_three_book_quotes.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9bb9e37c-ebe5-43d3-b0e6-871fb7918e57/factoring_the_difference_of_two_squares_and_perfect_square_trinomials_worksheet.pdfIn PDF document text
- http://tekitejug.pbworks.com/w/file/fetch/144671118/21344575587.pdfIn PDF document text
- http://jeselivid.pbworks.com/f/how_to_check_cpu_usage_in_windows_server.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_off0000de1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE1C | 5264 bytes |
SHA-256: 88243f9e19a5882a798efce87185d0ea8f08efc789ae83f39373e9e92bb2aebf |
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font_01_sfnt_off0000f037.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF037 | 10684 bytes |
SHA-256: e61d001386732ebfe9b68f2e00af679f0e8ac9bff15ace2200873118c8655e88 |
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