MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, and contains a large number of embedded links. One critical heuristic identified links to known malicious redirector infrastructure, specifically 'https://yafferge.ru/strik?utm_term=dixie+chopper+tires+24x11x10'. The document body is heavily obfuscated and appears to be a lure, likely related to search engine optimization or phishing, given the extensive link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://yafferge.ru/strik?utm_term=dixie+chopper+tires+24x11x10 In PDF document text
- http://moradudipomibo.mypressonline.com/moving_average_tutorial.pdfIn PDF document text
- http://wegansit.space/healthy_eating_meal_planner_templateq1ckq.pdfIn PDF document text
- https://xovomono.weebly.com/uploads/1/3/5/3/135345708/mekofikilivovezotemo.pdfIn PDF document text
- https://vuminuzatadabem.weebly.com/uploads/1/3/4/3/134311796/1273947.pdfIn PDF document text
- http://pewujok.mypressonline.com/82532757761.pdfIn PDF document text
- http://komarovskii.xyz/9332691120409eih.pdfIn PDF document text
- https://debugifepini.weebly.com/uploads/1/3/1/0/131070476/7040176.pdfIn PDF document text
- https://wiselulusitafe.weebly.com/uploads/1/3/4/8/134892864/2782881.pdfIn PDF document text
- http://ranupila.mywebcommunity.org/cp_plus_cctv_price_list.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/0c0e6cfd-0103-4791-8162-a381d3fda889/how_much_does_business_development_manager_make.pdfIn PDF document text
- http://bogalibamadom.myartsonline.com/fuvisazuravewupir.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2c96ce7e-398a-420c-a9ec-a8dcee7c66d8/pak_army_officers_protocol.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2f765600-ee79-41ed-b92f-b5d9a79e72d1/50919219279.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/17aeffd8-f14a-4c2e-b9dd-283d262bec31/catia_v5_tutorial_book.pdfIn PDF document text
- https://s3.amazonaws.com/sajatesawodiji/how_to_get_keys_for_last_wish_raid.pdfIn PDF document text
- https://s3.amazonaws.com/dapekufoxiraku/latanoprost_davis_drug_guide.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/32b9821c-b9ba-42e0-ae88-c80a5cc37a01/zovubaz.pdfIn PDF document text
- https://s3.amazonaws.com/xurixado/pogegenuwezofagipu.pdfIn PDF document text
- https://s3.amazonaws.com/pexodugosa/baahubali_2_movie_songs_naa_songs.pdfIn PDF document text
- https://s3.amazonaws.com/bubeto/juz_30_download_muzammil.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c664e1bd-0e9d-4859-bbe8-cc63b4e6fac2/lesekawobukuvojibitudorin.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/abc4e244-bae5-44cd-9945-635d077110ed/2013_honda_accord_v6_maintenance_schedule.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ec438b88-dfdc-4356-871d-c8555b991385/kibadujekuvobifaxo.pdfIn PDF document text
- http://xomutojekes.myartsonline.com/when_do_you_wear_your_military_uniform.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_off0000e23a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE23A | 5260 bytes |
SHA-256: dbde34f34ffac8ca263c973fbeaf8312b4f94783f3a54ee587122be0b9e06fce |
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font_01_sfnt_off0000f439.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF439 | 10888 bytes |
SHA-256: b6edf4c4fba7809e4a1d481bd289bc5b9a9c08815f53e028861e31d0d14d8649 |
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