MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded URLs, with one specifically pointing to a domain associated with phishing and link farming. The ML classifier and ClamAV detection strongly indicate malicious intent. The document body, though heavily obfuscated, suggests a lure related to educational materials to entice users to click on the malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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 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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://ponafet.ru/award?keyword=basic+computer+networking+mcqs+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4406202/normal_6032c806639ab.pdfIn PDF document text
- http://stikc.xyz/warukesuvugaro1zsy2.pdfIn PDF document text
- https://cdn.sqhk.co/jilebodetifa/Ax8UibF/88064166553.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4382208/normal_5ff62e4836858.pdfIn PDF document text
- http://heleogose.online/summary_of_ethics_book_10lot88.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393506/normal_6038d5cb2bfd1.pdfIn PDF document text
- https://cdn.sqhk.co/zavilisuga/QhfvLib/boomerang_maker_boomerang_video_maker_online.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4496602/normal_6052338d15f26.pdfIn PDF document text
- http://gepexoliv.medianewsonline.com/do_all_wifi_thermostats_require_c_wire.pdfIn PDF document text
- https://cdn.sqhk.co/disumuneriva/XjhigfH/aimpoint_compm5s_mount.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383695/normal_5fe983b411854.pdfIn PDF document text
- https://cdn.sqhk.co/niserutom/fEhiXn6/pofoxivomigolizoso.pdfIn PDF document text
- http://samyog.ru/2363981124a4hma.pdfIn PDF document text
- http://italia-doc.fun/7215985545794924.pdfIn PDF document text
- http://7gusevshop.space/xakirifuwibi6vlfo.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/1c13c1cb-e6f4-4de5-915a-3ff8149a5d18/vetubuvejafedaruruxara.pdfIn PDF document text
- https://s3.amazonaws.com/vigevot/fanezasixij.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e3e29fa9-7467-4798-9105-6cd663e24093/does_burger_king_still_have_the_2_for_5_deal.pdfIn PDF document text
- https://s3.amazonaws.com/figugipopar/philips_lighting_india_annual_report_2018.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/77c507bd-8eb7-47d3-87c7-67e271055f53/polaroid_tablet_hard_reset_keys.pdfIn PDF document text
- https://s3.amazonaws.com/pafexegud/xugojenajuwafitojagimos.pdfIn PDF document text
- http://pidodexogejax.myartsonline.com/51763759817.pdfIn PDF document text
- https://s3.amazonaws.com/vibasujefir/40299453790.pdfIn PDF document text
- https://s3.amazonaws.com/begijufadi/tipazidivukofazogujiguma.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_off0001271a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1271A | 5776 bytes |
SHA-256: c767f5c5aa311b1772dc3eb9e82dae27aba59892042a454f47c5deb819f5bf27 |
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font_01_sfnt_off00013abf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13ABF | 11732 bytes |
SHA-256: 31c129f4d6d14f8c9b7b23a126feddb66d4654a1ce80cb66fb17054fbec76176 |
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