MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of external links, many of which point to disposable hosting, suggesting a link farm designed to distribute malicious content. The document body, though heavily obfuscated, contains keywords related to service manuals, likely serving as a lure to encourage users to click on the embedded malicious URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 8
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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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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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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://zajinet.ru/wix?keyword=mercury+25+hp+bigfoot+4+stroke+service+manual PDF link annotation
- https://cdn.sqhk.co/dufelogaruf/Zb8hahb/hero_wars_mobile_event_schedule_august_2020.pdfIn PDF document text
- https://cdn.sqhk.co/vujaderaz/jdkihie/resort_island_tycoon_hack.pdfIn PDF document text
- https://cdn.sqhk.co/lodesejidi/Zhhghib/the_elder_scrolls_blades_switch_trailer.pdfIn PDF document text
- http://zosoxefu.22web.org/idle_poring_guide_rebirth.pdfIn PDF document text
- http://wagajikis.iblogger.org/bluetooth_computer_windows_7_free.pdfIn PDF document text
- https://cdn.sqhk.co/kefimuriw/1vGjjlS/call_recording_app_2018_free.pdfIn PDF document text
- https://cdn.sqhk.co/maxevurux/0Yihjaj/xuropilavedife.pdfIn PDF document text
- https://cdn.sqhk.co/ragekasa/ysmZjaw/tamezitonu.pdfIn PDF document text
- https://cdn.sqhk.co/zanivuwiduvo/2ghEhe0/9579864623.pdfIn PDF document text
- https://cdn.sqhk.co/konafomaz/e9mNhge/56039153100.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/0056808c-4320-48c5-83fc-ce4fe73fba9c/spark_the_definitive_guide_filetype.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/06ed1adb-995d-4ad5-8745-ecd641036d96/ketoflex_diet_recipes.pdfIn PDF document text
- http://joxelugokolutu.rf.gd/holden_barina_2006_owners_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ed2a5c8b-dd0b-4e23-aa9d-f4833ed971f0/vajujun.pdfIn PDF document text
- http://beduxuluwuniva.rf.gd/37536702421.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/88e0aa4e-45d6-4d67-9c4c-c67cd8eaa932/how_do_i_cite_a_book_in_apa_7th_edition.pdfIn PDF document text
- https://40e214c1-1950-44e8-a195-e2c6eeb23253.filesusr.com/ugd/a517f4_80d61cfc7ff44f0fadffe1bdbb5e87a7.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/60e80460-5fcf-4bba-947b-edd715d16706/gadedodesidovuwesefesati.pdfIn PDF document text
- https://fbaba6ab-37cf-477f-82bd-e10a416eccda.filesusr.com/ugd/3c8574_f9bb1b7687de45dd8f8b359319f4ce4b.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001140c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1140C | 6144 bytes |
SHA-256: 722d9d7902036a007013ea2fd27c96390c16ae23a65b0d861509f166b6ff70f3 |
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font_01_sfnt_off000128f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128F8 | 10488 bytes |
SHA-256: a9840ea4da25543d467e0453e3f5f57d8ae420ed50a3b71300b076f0b43212a2 |
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