MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, many pointing to redirectors designed to obscure the final destination, a common tactic in phishing and malware distribution. The heuristic PDF_SEO_LINK_FARM indicates a large number of generated links, suggesting an attempt to create a link farm for SEO manipulation or to host malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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/123?utm_term=google+sheets+if+and+then PDF link annotation
- https://s3.amazonaws.com/tobobowu/4661092114.pdfIn PDF document text
- https://cdn.sqhk.co/pizililiv/rIvhcH6/best_photo_collage_maker_mac.pdfIn PDF document text
- https://cdn.sqhk.co/sanevujaguda/ejiTjf8/color_of_the_night_movie_free_download.pdfIn PDF document text
- https://cdn.sqhk.co/lojadisexudo/d5L0gfH/clone_wars_season_3_episode_4_dailymotion.pdfIn PDF document text
- https://cdn.sqhk.co/giganopof/Gzijie5/94634766156.pdfIn PDF document text
- https://s3.amazonaws.com/fadobirak/nezujezalonewadoremem.pdfIn PDF document text
- https://s3.amazonaws.com/numegubowalonan/how_to_check_furnace_heat_exchanger_for_leaks.pdfIn PDF document text
- https://cdn.sqhk.co/letopoto/CEhd9jc/bonokalidepibako.pdfIn PDF document text
- https://cdn.sqhk.co/nuvexajamu/cggHYA0/94683442478.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/c0890f91-79e5-4988-9b84-d16ef3541a6c/what_is_ode_to_viceroy_about.pdfIn PDF document text
- https://502f924d-676a-41b3-8220-87c01882f600.filesusr.com/ugd/5a20bb_77ff2017755a4e46a8e2537b3870e597.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/5335060c-0d81-4c65-9ee8-1b57579fef26/continuum_mechanics_and_thermodynamics_quartile.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/27b164e6-66fd-45a8-8112-8278567b8232/fichas_de_lectura_para_segundo_grado_de_primaria.pdfIn PDF document text
- https://d427386d-3434-45d9-8802-370857a594f4.filesusr.com/ugd/accd1f_cab8573062454dc09e015efb6caf40d4.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/fbb8ab34-1160-479e-8fac-e494859e837b/plantronics_voyager_pro_hd.pdfIn PDF document text
- https://c1908cc8-b41e-4b5b-ab1c-53d28a7f2745.filesusr.com/ugd/913720_274fa996de1f41bb979e392649341b27.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/62b7b034-471d-4356-909b-672d089fa2a3/how_to_edit_interior_design_photos_in_photoshop.pdfIn PDF document text
- https://9c789f27-b70c-4c9d-9e83-211ee8f99b38.filesusr.com/ugd/bdeb4c_d3d6590e36de4e3fb096ba3bc3e20332.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/23615b0d-227d-4ed5-bbb5-951e5b1bb8eb/tudofanigixos.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_off0000e7ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7EF | 5104 bytes |
SHA-256: e04f6325c508b1827e49fa6be0fa73a9147bc144f1f61e0f58d0758e47a35206 |
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font_01_sfnt_off0000f950.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF950 | 11276 bytes |
SHA-256: 4fde57a77e4dcb08d31342e5839d4b9c24841b60e0feff39356cf08b8d847066 |
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