MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a large number of external links, many of which are hosted on disposable domains or link farms, suggesting a malicious intent to redirect users to potentially harmful content. The ML classifier strongly flagged this PDF as malicious, and the presence of external URIs and a link farm heuristic further supports this assessment. No scripts were extracted, but the document's structure and embedded links are indicative of a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 6
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://crophysi.ru/123?utm_term=erasmus+plus+programme+guide+2018 PDF link annotation
- https://cdn.sqhk.co/tadeketoxab/mijECgd/champions_league_draw_simulator_round_of_8.pdfIn PDF document text
- https://cdn.sqhk.co/tokafumotebi/FVqjdAD/forabovetubexoposirojab.pdfIn PDF document text
- https://fimezerix.weebly.com/uploads/1/3/4/4/134478386/2a4eb79c753e68.pdfIn PDF document text
- https://cdn.sqhk.co/datolabevev/ghNjehg/jolteon_moveset_shield.pdfIn PDF document text
- https://cdn.sqhk.co/dizukenepu/jiRRFhh/airport_city_game_codes_list.pdfIn PDF document text
- https://cdn.sqhk.co/tawumemikuva/k9hijbQ/approximation_for_sbi_po_2019.pdfIn PDF document text
- http://tosufiloxosi.66ghz.com/42140945849.pdfIn PDF document text
- https://cdn.sqhk.co/nuzitomizaj/igihhBn/make_bucket_list_meaning.pdfIn PDF document text
- https://jepukarebav.weebly.com/uploads/1/3/5/3/135321711/mifitixevi.pdfIn PDF document text
- https://cdn.sqhk.co/wafavalufa/ic14hcT/fegefifaniburabosofuxufez.pdfIn PDF document text
- https://cdn.sqhk.co/bisuligiga/iiigVfp/zombie_survival_map_for_mcpe.pdfIn PDF document text
- https://cdn.sqhk.co/xavipinav/Zheghjd/juxopazobete.pdfIn PDF document text
- http://suzaxikuzexaw.66ghz.com/fudofodakotozun.pdfIn PDF document text
- http://fontawesome.iohttp://fontawesome.io/license/In 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/e28deee9-72d2-4347-9103-8b6e76bfde8f/how_to_program_comcast_remote_for_new_tv.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/899cea05-fdff-48c9-9153-86c21c8bd417/how_to_use_brinkmann_propane_smoker.pdfIn PDF document text
- http://deketinak.rf.gd/25903300160.pdfIn PDF document text
- https://e8f98835-b194-42a5-b43f-fe2f29920dd6.filesusr.com/ugd/bf650e_9a3919a8842b4d75bb23f3220fc4c1e5.pdf?index=trueIn PDF document text
- http://xasebor.rf.gd/clark_forklift_starter_motor.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3438bee2-6c4d-4619-91cd-3a31bdb4a08e/raymond_nh_police_log_2019.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e09e3b2a-814d-4de4-b097-7f094e87eea9/judesepo.pdfIn PDF document text
- https://4eb83289-b313-4542-b68c-79a1d4783db4.filesusr.com/ugd/f6336d_186244c9be7b4fe1a4e3835061be9078.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00013650.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13650 | 1656 bytes |
SHA-256: c0c4de211e06b3cb8f46fe437f92fae3f8a2bc380fc627cb04741960ce7524b9 |
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font_01_sfnt_off00013e86.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E86 | 5756 bytes |
SHA-256: 4f0e268c430030f207c843fe110e9410fb5596e4ce49779687c343f28b336383 |
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font_02_sfnt_off00015205.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15205 | 11732 bytes |
SHA-256: b9a3d3ec6e8db96ccbf0c378d59a2deda8c4e6ef5858aadb80dedfdffb722f54 |
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