MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to redirect users to malicious content. Heuristics indicate a high likelihood of maliciousness, with ClamAV detecting it as a phishing trojan. The presence of a 'download' button lure further supports a malicious intent to trick users into clicking through to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://jacksth.ru/strik?utm_term=singing+for+the+stars+cd+download PDF link annotation
- https://cdn.sqhk.co/vibisimak/iEc7QGl/castle_of_illusion_playstation_store.pdfIn PDF document text
- https://cdn.sqhk.co/konafomaz/KhipBjj/dental_assistant_salary_nyc_2019.pdfIn PDF document text
- https://cdn.sqhk.co/nijedesakuj/d0gjhaE/frases_tumblr_cortas_en_ingles_con_traduccion.pdfIn PDF document text
- https://cdn.sqhk.co/podoxato/ejdvXC4/88392915835.pdfIn PDF document text
- https://cdn.sqhk.co/bumajanivosi/idAge5U/prison_break_season_5_finale_review.pdfIn PDF document text
- http://tulavesew.getenjoyment.net/roman_catholicism_loraine_boettner.pdfIn PDF document text
- http://sifinujox.sportsontheweb.net/atomic_mass_and_atomic_number_of_elements.pdfIn PDF document text
- https://cdn.sqhk.co/raxulaxesob/jhhgjLF/art_therapy_jobs_chicago.pdfIn PDF document text
- https://cdn.sqhk.co/vumulevezuf/6cPieu6/31827753621.pdfIn PDF document text
- https://giweberemep.weebly.com/uploads/1/3/2/6/132682555/ximoru.pdfIn PDF document text
- https://cdn.sqhk.co/jawefujivi/hhdRB2b/veroxozado.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4484999/normal_5ff1be6a395ad.pdfIn PDF document text
- http://fizarumokugafu.mywebcommunity.org/exercices_corrigs_de_l_atomistique.pdfIn PDF document text
- https://kizofirelurok.weebly.com/uploads/1/3/1/6/131606598/lukodojudi-viwubokadotad-vekimamizesu.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366350/normal_5fe39dfad39cd.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/d73f309e-6e0b-4a04-91cc-32bca486279b/sony_str-dh540_factory_reset.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6b212586-5bc5-4e63-974b-ac3c325dbeb2/zasesopo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c2d9c6b9-7c74-4a64-9127-eb0454552053/gaxanivoxug.pdfIn PDF document text
- http://xakagigoneliv.myartsonline.com/how_to_hack_android_with_nmap.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/22eed6ff-4de2-434e-a62f-00835d34d0c3/harry_potter_wands_universal_meaning.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_off0000fbc5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBC5 | 5480 bytes |
SHA-256: 3225c59cc468db88b6cfe9fe567e8c80cbd62a31e0e0045d3fa63cb5ef7af5ea |
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font_01_sfnt_off00010e78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E78 | 12412 bytes |
SHA-256: e55f1b48ec9cc5b29a7e3d0acca2efafb09cd568344fd5061a33bf34e71adb43 |
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