MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF document functions as a link farm, containing numerous URLs pointing to external resources. One of the primary links, 'https://yafferge.ru/strik?utm_term=how+many+gb+is+hearts+of+iron+4', directs to known malicious redirector infrastructure. The document's structure and the presence of many links suggest an attempt to distribute malicious content or phish users, likely via a spearphishing attachment. No scripts were extracted, but the PDF's nature and the malicious URL are strong indicators of malicious intent.
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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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=how+many+gb+is+hearts+of+iron+4 In PDF document text
- https://tamegafatukof.weebly.com/uploads/1/3/4/4/134400059/woxasuwosemoned-dosivipi-xiwajuvosibezij.pdfIn PDF document text
- https://cdn.sqhk.co/nufopusifa/icRoYhg/vampire_wars_netflix_season_2.pdfIn PDF document text
- https://cdn.sqhk.co/rokunufoleti/ihjidoL/wordscapes_level_8599.pdfIn PDF document text
- https://cdn.sqhk.co/wakivugex/CgfQhe2/45921991582.pdfIn PDF document text
- https://dapalirodo.weebly.com/uploads/1/3/1/4/131483520/goneto-mefekonusobogow-lejufef-kugubefasobedon.pdfIn PDF document text
- https://tumopododekup.weebly.com/uploads/1/3/2/6/132696021/5505985.pdfIn PDF document text
- https://cdn.sqhk.co/niserutom/Z7hajeO/mr_softee_ice_cream_truck_rental.pdfIn PDF document text
- https://zalefukonu.weebly.com/uploads/1/3/4/3/134346034/komakizegipoxa.pdfIn PDF document text
- https://samaruwopag.weebly.com/uploads/1/3/0/7/130738554/xikepidisu_konukolugumizo_vezisur.pdfIn PDF document text
- https://cdn.sqhk.co/dejijadu/tjdhhhb/daily_bucket_list_2020_pinterest.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/lizuseguwix/kabir_singh_full_movies_counter.pdfIn PDF document text
- https://de7eff9d-5c50-4122-bb99-ee112abf7a8f.filesusr.com/ugd/db8f21_6ab77dbb94f74d3fbc2bc38d1137316f.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/nefunupu/49017750914.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d944060f-d0ee-4594-99b7-d4621a3eb011/what_setting_should_a_whirlpool_fridge_be_on.pdfIn PDF document text
- https://160e4e15-e27a-4ef2-9b26-f67fc0969a86.filesusr.com/ugd/cbdbb6_e6b576a575674732893730471b1ad84c.pdf?index=trueIn PDF document text
- https://7e073981-ad1c-4081-8dc0-76946ba36063.filesusr.com/ugd/c4f63d_e7d16297f6df4fb49d0899e4f3b02706.pdf?index=trueIn PDF document text
- https://ed4d48c2-14ea-47f5-a89a-b82193587323.filesusr.com/ugd/8ce377_1cfca269c954487f8a0dbddfbe2c61d8.pdf?index=trueIn PDF document text
- http://titizobilane.epizy.com/rapufodiv.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a3998611-7afa-4a09-bf0c-4c3ce59b5c83/wewaxo.pdfIn PDF document text
- http://zozusanom.epizy.com/asme_b16._5_free_download.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_off00010995.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10995 | 5532 bytes |
SHA-256: 2305a4228a4b3bc61ab7b5089f35d79254e816cee6d623e82319ea591a96b49c |
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font_01_sfnt_off00011c59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C59 | 10800 bytes |
SHA-256: 98a4c6921db5aaad77abbcb914dfddfda6c8c69759d08f77fbaf4e5e87b7972c |
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