MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF document contains numerous external URIs and is flagged by ClamAV as a phishing trojan. The document body, though heavily obfuscated, suggests a lure related to an 'answer key'. The presence of multiple disposable domains and link farms indicates a phishing or malware distribution campaign. No scripts were extracted, but the overall structure and heuristic firings strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 5
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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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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://maypoin.ru/123?utm_term=as+time+flies+by+answer+key PDF link annotation
- http://alania365.ru/what_personality_types_are_compatible_with_istjqo12z.pdfIn PDF document text
- http://xikisavi.scienceontheweb.net/pipikezi.pdfIn PDF document text
- http://alkim.xyz/winnie_the_pooh_personality_test9sseh.pdfIn PDF document text
- http://instapriz.online/stihl_ts_400_parts_manualwwxil.pdfIn PDF document text
- http://bonozowibewoz.mypressonline.com/a_journey_through_anglo_american_literature_answer_key_module_3.pdfIn PDF document text
- http://xagakojitogiva.getenjoyment.net/wuzigudod.pdfIn PDF document text
- http://tesupelaj.sportsontheweb.net/34316590334.pdfIn PDF document text
- http://fresh-ita.space/11381872101zhysg.pdfIn PDF document text
- http://fejekadiwoxobiz.getenjoyment.net/meditations_on_first_philosophy_meditation_6_summary.pdfIn PDF document text
- http://lirinevewafa.mypressonline.com/methods_of_data_collection_and_analysis_in_social_psychology_research.pdfIn PDF document text
- http://sakulog.sportsontheweb.net/why_is_my_galaxy_s8_not_connecting_to_wifi.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/726080b3-84e0-41cd-8ae3-42bd6d8423a5/74325604283.pdfIn PDF document text
- https://2eda13a9-9e0f-47dd-bbfa-a9a5028a3314.filesusr.com/ugd/61c57f_906edd7cfaf54b05a6860e4e42c80ed2.pdf?index=trueIn PDF document text
- https://adc0bc6f-2b4d-4951-bce0-9128d215fa34.filesusr.com/ugd/5ea4d5_90072202e9054bb0b759a1c2a8dc9624.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f18e96c9-e76d-4346-bac0-269d00f2a1cd/thetford_rv_toilet_parts_31683.pdfIn PDF document text
- https://d0fd22f1-78bd-4368-960d-2a324028b2bb.filesusr.com/ugd/a4d998_d0be686da1674e688625d712ed5203ca.pdf?index=trueIn PDF document text
- https://d3826037-6016-486c-99e9-dc41bc666644.filesusr.com/ugd/b81754_e295cc8b4e574d2c89af112243fe831f.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/a07dad88-de60-4594-b9a4-da3b7425a944/wolfgang_puck_mini_rice_cooker_recipes.pdfIn PDF document text
- https://s3.amazonaws.com/nefunupu/burning_the_midnight_oil_thomm_jutz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8557a2df-8302-45fe-8f4a-33d947d28e33/31798056499.pdfIn PDF document text
- https://a72a44ae-2aae-4d6a-a6c4-235301d0a62e.filesusr.com/ugd/57436b_189380c7e2c243318c75e35ae0449e10.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/jivala/tukowerepikugakolak.pdfIn PDF document text
- https://s3.amazonaws.com/sasufufa/your_baby_and_child_penelope_leach.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f9196fa4-0195-4c66-a050-8c7384b6810b/why_did_my_baseboard_heater_stop_working.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_off0000e406.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE406 | 5300 bytes |
SHA-256: d2370245cd95e474ff49d1a1a7095ee5633637e5fb6e2ba7832ac2c8fba6068b |
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font_01_sfnt_off0000f610.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF610 | 14012 bytes |
SHA-256: 68897e0926db765ef4f901fbf2c1747068d1d35b17ab4b5ccc5bedbfdb5fba2b |
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