MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many of which appear to be part of an SEO link farm designed to redirect users to potentially malicious content. The primary redirector URL is `https://resalured.ru/strik?utm_term=2017+harley+davidson+6.5+boombox+manual`, which is used to lure victims with a seemingly relevant document title. The presence of ML and ClamAV detections further supports its malicious nature, likely as a phishing or malware distribution vector.
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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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://resalured.ru/strik?utm_term=2017+harley+davidson+6.5+boombox+manual PDF link annotation
- https://s3.amazonaws.com/sefipa/tuxujujoverajitopesu.pdfIn PDF document text
- https://cdn.sqhk.co/xupodafib/gihg6ib/86599963210.pdfIn PDF document text
- https://s3.amazonaws.com/fisulefajow/ayyappa_patalu_telugu.pdfIn PDF document text
- https://cdn.sqhk.co/fejukomus/jcg0hdm/crackle_paint_with_elmers_glue.pdfIn PDF document text
- https://cdn.sqhk.co/tugitajusow/hhjfeHX/las_cloacas_del_periodismo_reportaje.pdfIn PDF document text
- https://cdn.sqhk.co/tikugubobo/jXNhihi/collage_maker_app_download_for_pc.pdfIn PDF document text
- https://cdn.sqhk.co/verexumifo/iitiAiq/rudofo.pdfIn PDF document text
- https://cdn.sqhk.co/wanoziku/jbPhdhh/synchrony_car_care_one_locations.pdfIn PDF document text
- https://cdn.sqhk.co/jimavidozeze/2hcaZOE/8276586359.pdfIn PDF document text
- https://cdn.sqhk.co/sanozusu/ijgfNjj/rabigavozipixoxomifujiwiv.pdfIn PDF document text
- https://s3.amazonaws.com/gomakobez/rodejibiduxonikokofavime.pdfIn PDF document text
- https://cdn.sqhk.co/taviboku/gXhbVYm/99319351136.pdfIn PDF document text
- https://cdn.sqhk.co/kigaratak/wsjgggX/planet_fitness_customer_service_telephone_number.pdfIn PDF document text
- https://cdn.sqhk.co/dugabolisuma/eiehgij/house_plan_drawing_tool_free.pdfIn PDF document text
- https://cdn.sqhk.co/posukomokufi/Frjbhik/animal_ar_3d_safari_flash_cards.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485165/normal_601dcd6466518.pdfIn PDF document text
- https://cdn.sqhk.co/tumupowe/dgi5Zhf/surface_vehicle_information_report.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379987/normal_5fe81026be510.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://b6de9e3f-c562-4e05-b5ee-70895c8060ae.filesusr.com/ugd/3801ff_d7e12606910e49e69c52d70404ec7716.pdf?index=trueIn PDF document text
- https://50bf384a-eeac-4f26-a262-e2ba1a5e00ba.filesusr.com/ugd/17159d_98e04532cb73479c890359d2e42081f0.pdf?index=trueIn PDF document text
- https://a49a6154-edc8-4132-95a2-c7bb8d673fe9.filesusr.com/ugd/551169_bdab13c7c44a46ca8bb0a73827ae0a88.pdf?index=trueIn PDF document text
- https://6f4861c6-cdf0-4a5f-ba2d-f9c5e5bfbee6.filesusr.com/ugd/77941b_6c5b8eabb8804b088c4e2b78caa156a8.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_off00014e73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14E73 | 6056 bytes |
SHA-256: 826aad3e8dd205f55ffb9e6bf24908d92a9018411e0547996efd0ea9e6bc4fa4 |
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font_01_sfnt_off00016300.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16300 | 11840 bytes |
SHA-256: db67ac7aad70e057df09624795951cb6414251e5e505d4f31c50f61bbd5cc625 |
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