MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of embedded links, many of which point to disposable hosting or redirector services, indicating a link farm or phishing attempt. The primary malicious link identified is https://yafferge.ru/strik, which is flagged as a malicious redirector. The document's content is designed to appear as a helpful resource, but its true purpose is to drive traffic to potentially harmful websites.
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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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+to+learn+cooking+basics In PDF document text
- https://cdn-cms.f-static.net/uploads/4477629/normal_6023c9d2dec6e.pdfIn PDF document text
- https://pudijamarotu.weebly.com/uploads/1/3/4/0/134000536/455526.pdfIn PDF document text
- https://nizerekudoni.weebly.com/uploads/1/3/5/3/135383630/waturomaba.pdfIn PDF document text
- http://7gusevshop.space/mario_kart_arcade_gp_downloadw60od.pdfIn PDF document text
- https://wupixizot.weebly.com/uploads/1/3/5/3/135398135/jeparatisemodo.pdfIn PDF document text
- http://particulier-societegenerale.xyz/dog_wallpaper_full_hd_downloadyvxxy.pdfIn PDF document text
- https://zavisedifigi.weebly.com/uploads/1/3/4/3/134316550/83c3d.pdfIn PDF document text
- https://pinozawekik.weebly.com/uploads/1/3/4/5/134589254/6484469.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404292/normal_6022ee5cdbf40.pdfIn PDF document text
- http://copyright-central-media.com/netubenusovivyfyu.pdfIn PDF document text
- http://tobubolixej.iblogger.org/behringer_xenyx_q1202usb_mixer_manual.pdfIn PDF document text
- https://gumakamatiz.weebly.com/uploads/1/3/4/6/134600955/91e1abd.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4382187/normal_5fe34e50c8d6b.pdfIn PDF document text
- https://pibigetikuke.weebly.com/uploads/1/3/5/3/135387636/8bcf206f2899d0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4471988/normal_5fd268aa586af.pdfIn PDF document text
- https://lojapajarete.weebly.com/uploads/1/3/4/5/134521209/5707665.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://sujidise.epizy.com/stayin_alive_chords.pdfIn PDF document text
- http://kafudunafow.epizy.com/editable_weekly_meal_planner_template_word.pdfIn PDF document text
- https://s3.amazonaws.com/fuvidokibet/vuvuwakerewudijorusotizat.pdfIn PDF document text
- https://s3.amazonaws.com/debamijizozexo/arya_2_movie_songs_naasongs._com.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_off0000f324.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF324 | 5224 bytes |
SHA-256: da0af1d0d95b97c54041f11c84c94556555441d34b4e840be3baf32317d5096d |
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font_01_sfnt_off00010504.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10504 | 10120 bytes |
SHA-256: 753347e13fd7347673b30fea056ea6f4c842d958a723d2b9ebb6047ff7b20d8b |
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