MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many pointing to disposable domains, suggesting a link farm used for phishing or malware distribution. The document body, though heavily obfuscated, appears to be a lure related to an 'answer key', and the presence of embedded URLs further supports the attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://botokaw.ru/wix?keyword=figurative+language+worksheet+answer+key PDF link annotation
- http://dmdmassage.com/76947494720ms4yj.pdfIn PDF document text
- https://fisujurij.weebly.com/uploads/1/3/1/4/131437504/rusonimevazebiz.pdfIn PDF document text
- https://valabonef.weebly.com/uploads/1/3/1/3/131379230/jitigelojudobe_revimikoremusil_begofo.pdfIn PDF document text
- http://nipizakevenuvis.scienceontheweb.net/fiche_de_lecture_la_boite_a_merveille.pdfIn PDF document text
- https://pubedazemel.weebly.com/uploads/1/3/4/8/134870130/ridaxa.pdfIn PDF document text
- https://cdn.sqhk.co/maxokekoxo/zlicugf/expiration_date_format_uk.pdfIn PDF document text
- http://skout.tech/sel_351r_recloser_control_instruction_manualdfro8.pdfIn PDF document text
- http://itanah.space/pexedunizuwusubw4dnb.pdfIn PDF document text
- http://narovomesizi.medianewsonline.com/woxowe.pdfIn PDF document text
- https://cdn.sqhk.co/netimupoxojo/vhhghiG/honda_grass_cutter_machine_customer_care.pdfIn PDF document text
- https://cdn.sqhk.co/fefamujigip/fujf9jj/wii_homebrew_gamecube_cheats.pdfIn PDF document text
- https://cdn.sqhk.co/kelarega/hbefij9/tumblr_girl_coloring_sheets.pdfIn PDF document text
- https://tonavamajarow.weebly.com/uploads/1/3/4/6/134694337/e7ffeebdd3597.pdfIn PDF document text
- https://cdn.sqhk.co/lopijikuvi/EjcjfJ8/virgin_trains_times_and_prices.pdfIn PDF document text
- http://lirinevewafa.mypressonline.com/methods_of_data_collection_and_analysis_in_social_psychology_research.pdfIn PDF document text
- http://mavito.online/770974111012l4k9.pdfIn PDF document text
- http://trend-sales.fun/how_to_mount_a_scope_on_mini_141uv2m.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://9c789f27-b70c-4c9d-9e83-211ee8f99b38.filesusr.com/ugd/bdeb4c_43d6c337f141425f91014227634ac705.pdf?index=trueIn PDF document text
- https://9579f988-9383-433c-acf3-5fff76e0c882.filesusr.com/ugd/191a6d_3319b3120af5439cb90d6ef4e2fb5a64.pdf?index=trueIn PDF document text
- https://5c839259-519f-4cee-a1a2-6639d654070b.filesusr.com/ugd/140efa_2f7a06402c694348bd3f2463446f0a63.pdf?index=trueIn PDF document text
- https://67dec473-0a9c-497c-80b1-62a4c84c5046.filesusr.com/ugd/0aab01_b14a69b79e0c4429b5e57b9deea2cf82.pdf?index=trueIn 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_off0000dc18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC18 | 5220 bytes |
SHA-256: 82f07d6b71bcc5c0be66dffeb6dcaed30ca3dc9b4c714b7ab90dca0d974cf2c5 |
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font_01_sfnt_off0000edf3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDF3 | 10216 bytes |
SHA-256: 4abbbf9fc9cc9e48dd050b4d591cd50392f5c5c8cccc88bef58165389752ba95 |
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