MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains multiple embedded URLs, with one specifically pointing to a 'worksheet answers' page on a suspicious domain. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution. The heuristic 'SE_CALLBACK_LURE' suggests a social engineering tactic to trick users into calling a fraudulent number, further supporting a phishing or scam-related attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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 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) or Microsoft license-boilerplate 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/wix?keyword=algebra+1+chapter+5+worksheet+answers PDF link annotation
- https://cdn.sqhk.co/zaweniwefi/YlbRieA/41885093868.pdfIn PDF document text
- https://pojazamajalo.weebly.com/uploads/1/3/4/7/134728500/malibeguziguj-zixofixowiz.pdfIn PDF document text
- https://zovakilezogavi.weebly.com/uploads/1/3/1/1/131163957/vagurimi_ninirubo.pdfIn PDF document text
- https://cdn.sqhk.co/nawafoxobok/d0hjijY/10475821954.pdfIn PDF document text
- https://cdn.sqhk.co/rarukaboz/behhgeg/download_file_manager_for_iphone_4.pdfIn PDF document text
- http://zogometemo.sportsontheweb.net/76528496929.pdfIn PDF document text
- https://cdn.sqhk.co/tononapiwaso/jcPPPUj/ponabedededadenaloz.pdfIn PDF document text
- https://cdn.sqhk.co/bivuwusim/hb49ahe/18362437865.pdfIn PDF document text
- http://juvugewit.iblogger.org/avancemos_textbook.pdfIn PDF document text
- https://xalorato.weebly.com/uploads/1/3/4/3/134317389/9435522.pdfIn PDF document text
- http://doguvubewolo.iblogger.org/ionic_4_starter_templates.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://xasoxutek.epizy.com/diccionario_biblico_adventista.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dd930c7c-0afc-4d1b-8f2a-ae91ea10c721/marco_fireplace_blower_fan.pdfIn PDF document text
- http://marurutefa.atwebpages.com/reading_comprehension_test_pre_intermediate.pdfIn PDF document text
- http://benamow.myartsonline.com/practice_sat_math_questions.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6365bc64-71aa-41ca-ac03-2439e8acfb58/7164754892.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e81f0198-8463-4c12-9482-06a8143455d5/niduvelig.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3550d9f9-4684-4cf6-900b-78c8d5b05f37/dramatic_irony_in_romeo_and_juliet_act_1_scene_2.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c999a972-0d81-42ce-b4f2-3b77352183f6/12210315132.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7691ef74-6bac-4845-bedd-6a0031db1fa5/naming_ionic_and_molecular_compounds_worksheet_with_answers.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0002569a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2569A | 5656 bytes |
SHA-256: cf9058f13ee7c3c92e0d192ad40a5edcbdef2b5d94e7b7356c31d76c221dedb4 |
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font_01_sfnt_off000269ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x269EA | 12056 bytes |
SHA-256: 24db59903a2f7424f06bcd86ee76f757f4e339d15954a1619efe9aef7b64b534 |
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font_02_sfnt_off000292cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x292CD | 16088 bytes |
SHA-256: 482b7b4fee51162e6a5d82ff10b0db2f6da6482a74a1be5a66137bb6d850bf40 |
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