MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://gimoguvi.ru/strik?utm_term=john+grisham+latest+paperback PDF link annotation
- http://igme.site/manifiesto_del_partido_comunista_de_karl_marx_y_friedrich_engelscg0ao.pdfIn PDF document text
- http://soldonlittleton.com/peduponejufapiwofipeftkzg.pdfIn PDF document text
- http://teachersaid.fun/cyberpunk_2077_gameplay_1_hour8ae4o.pdfIn PDF document text
- https://cdn.sqhk.co/xajegakagiz/aKkJ7ib/46434513971.pdfIn PDF document text
- https://cdn.sqhk.co/jaxaletadi/ecwijje/sales_negotiation_skills.pdfIn PDF document text
- http://mnogolidov.xyz/pilipesikumezoxubotegemumtbqhi.pdfIn PDF document text
- http://ekzo-fruit.ru/pokemon_soul_silver_egglocke_downloafu5ar.pdfIn PDF document text
- https://cdn.sqhk.co/soziwariru/au0hfNX/xanokegozugupalusunuzanag.pdfIn PDF document text
- https://cdn.sqhk.co/bosamame/qbieHOT/red_alert_remastered.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/b675ad76-7a88-435b-8a88-4cd6b259f1bf/35545760525.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0e52ba39-3cf4-48cf-9591-15cc02999513/97909419430.pdfIn PDF document text
- https://s3.amazonaws.com/gateme/sentry_gun_safe_instructions.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/02b2f9d0-b54d-41e4-8180-6367133244a8/compare_and_contrast_sign_of_the_beaver_movie_and_book.pdfIn PDF document text
- https://s3.amazonaws.com/regufojalojaza/free_comprehension_worksheets_for_year_2_uk.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4465d102-0821-4392-be0c-632f824480a1/6859832505.pdfIn PDF document text
- https://s3.amazonaws.com/nefomojuwet/nurutulinimu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9f0489d9-0db5-4059-aa4d-73d2aae10534/3764378652.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7a6f0f94-5daf-40db-aa78-1311768a5f07/how_to_use_the_karaoke_singing_machine.pdfIn PDF document text
- https://s3.amazonaws.com/livivuvuwugeb/how_does_directv_genie_mini_work.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a58b14a3-4437-41e2-bbd6-e68fb75514c2/soccer_mommy_color_theory_tri_color_vinyl.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_off0000ee2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE2C | 5540 bytes |
SHA-256: 47a52ff619668f3464eec2efc226130c0af07513a75d53504f5c8b40915cb03c |
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font_01_sfnt_off000100d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100D9 | 10768 bytes |
SHA-256: 7fb6acbabe79952c7f05a67d1b4b8b4a9b6878c60c700a4031d4fb41ca970bb8 |
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