MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many pointing to disposable hosting services, indicating a link farm or phishing lure. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing or SEO spam campaign, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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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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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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://pelibifir.ru/strik?utm_term=wsjt-x+manual+2.0 PDF link annotation
- https://notaxivarem.weebly.com/uploads/1/3/4/6/134633458/lulatolisipojawif.pdfIn PDF document text
- https://bulejoge.weebly.com/uploads/1/3/0/7/130775594/jitexiz.pdfIn PDF document text
- http://selowopax.22web.org/45634697058.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374685/normal_604f0f500dfcd.pdfIn PDF document text
- https://givunanisu.weebly.com/uploads/1/3/4/8/134848628/1878917885d6fd.pdfIn PDF document text
- https://wefizaxire.weebly.com/uploads/1/3/0/9/130969527/8009892.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4444636/normal_601b838644242.pdfIn PDF document text
- https://fefugenaxidoseb.weebly.com/uploads/1/3/1/3/131380158/4561851.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417645/normal_605a9138e6085.pdfIn PDF document text
- http://gukapeb.iblogger.org/cherished_number_transfer_form.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/e8449d0b-e279-4f2d-bad0-4cbbb6cf3a9b/lidarobubelowokitog.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/11580fd9-7abe-4619-9e5d-1d84cf9af127/planificacion_estrategica_tactica_y_operativa.pdfIn PDF document text
- https://s3.amazonaws.com/vuzotisenixava/yamaha_rx-v385_best_price.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fc29b5ee-24dc-4236-a6a1-c2ba02fb3079/94251616741.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2859e85f-6f60-41a4-9c21-d4d48eedc344/vetif.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bde7466c-ed81-486a-9e2b-c06413a32c14/denon_avr-x2100w_manual.pdfIn PDF document text
- http://vurujixeja.rf.gd/90806412504.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b23fd676-951b-40bf-aca0-91f529931fae/negejirolodofidezi.pdfIn PDF document text
- https://s3.amazonaws.com/fuzafuzeruwit/google_translate_english_to_russian.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7c43588f-91e3-4393-a78c-d415f5c2f176/werewolf_20th_anniversary.pdfIn PDF document text
- https://s3.amazonaws.com/libowebujakux/maxi_cosi_pria_85_max_3_in_1.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f109.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF109 | 4836 bytes |
SHA-256: 15070d5ead7a34a03d15dc9cccf1b6ea4e165c04ebe6f8147f12fdf12ce7d07b |
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font_01_sfnt_off00010171.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10171 | 11168 bytes |
SHA-256: a67d26a2e790e5662f28a22f7bbf2c1a660d46631e6178c6215d4ad50ae26c99 |
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font_02_sfnt_off00012770.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12770 | 4324 bytes |
SHA-256: ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230 |
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