MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of external links, many pointing to disposable hosting and potentially malicious domains, as indicated by the 'PDF_SEO_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristics. The ML classifier and ClamAV also flagged this as malicious, suggesting it's part of a phishing or content distribution scheme. The document body is heavily obfuscated and unreadable, providing no direct clues to its intent beyond the presence of URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://midufefew.ru/strik?utm_term=john+deere+2650+4wd+solenoid PDF link annotation
- http://xuputunoxukir.22web.org/29573113520.pdfIn PDF document text
- https://cdn.sqhk.co/vavetiset/PfibXha/38363051103.pdfIn PDF document text
- http://sakipewo.22web.org/game_playing_card_template.pdfIn PDF document text
- http://xomofaki.getenjoyment.net/kikigipa.pdfIn PDF document text
- http://a1metromovers.com/bias_fx_2_freela1ky.pdfIn PDF document text
- http://thecet.xyz/fios_dvr_keeps_rebootingx8a7y.pdfIn PDF document text
- https://cdn.sqhk.co/voxobidivel/ihgjwIa/cafe_racer_seat_hoop_uk.pdfIn PDF document text
- https://cdn.sqhk.co/zifeduwa/gdoxiab/nuwax.pdfIn PDF document text
- http://xunopapazugatar.medianewsonline.com/axiom_61_factory_reset.pdfIn PDF document text
- https://cdn.sqhk.co/letarezetap/Cm9jfWu/13324013923.pdfIn PDF document text
- https://cdn.sqhk.co/bafebolabefo/c1ihjgZ/bmp_design_manual_san_diego.pdfIn PDF document text
- https://cdn.sqhk.co/judebivon/jejaOjj/celemony_melodyne_4_studio_free.pdfIn PDF document text
- http://wusokamojifel.scienceontheweb.net/vomezazoz.pdfIn PDF document text
- http://mon-cmbretagne.com/neverwinter_best_class_for_drownk1d0.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://bf68d742-fb98-404a-ab47-1dcf24f7df52.filesusr.com/ugd/83e7fd_f45af51337bd46cebcc307bbd1cf4b36.pdf?index=trueIn PDF document text
- http://zuruxiwowasigu.epizy.com/bill_ackman_herbalife.pdfIn PDF document text
- http://nimunofat.epizy.com/bodyguard_movie_hd_filmywap.pdfIn PDF document text
- http://ruraruke.epizy.com/bihar_tet_question_paper_download.pdfIn PDF document text
- https://6a543b89-810f-4a07-932c-4cc129fc401a.filesusr.com/ugd/1e5726_23318f5f998b46fc91dd77b63d432db1.pdf?index=trueIn PDF document text
- https://2a1457bb-a4d2-449b-8914-d784a503a6da.filesusr.com/ugd/c0fca2_66f2b7c0dfad415db2236e8c7fbad5aa.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_off00010cec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CEC | 5132 bytes |
SHA-256: a766c23736bc32d44dc6e43b9eeeca4822bb4c7bac3d0749be7b311f6dc62e85 |
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font_01_sfnt_off00011e59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E59 | 11324 bytes |
SHA-256: a83a26676b40527657dcdf77c1e56640339d89687612ed0448626a68ad1794a6 |
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font_02_sfnt_off000144f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x144F7 | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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