MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many pointing to disposable hosting services, indicating a link farm designed to redirect users. The presence of a URL with a 'utm_term' parameter suggests a phishing or malicious redirection attempt. ClamAV and ML classifiers also flagged this PDF as malicious, supporting the assessment of a phishing or malware distribution scheme.
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://vilenefex.ru/strik?utm_term=what+is+a+service+retailer PDF link annotation
- https://wugarusuxota.weebly.com/uploads/1/3/0/8/130814120/gajifufox.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4369775/normal_5fcd362559816.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370987/normal_604d012c66384.pdfIn PDF document text
- https://static.s123-cdn-static-d.com/uploads/4492257/normal_60b006cbb2af4.pdfIn PDF document text
- https://tokenosatavikik.weebly.com/uploads/1/3/4/6/134618571/9696c27d564fb.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4409250/normal_6006608a11783.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4487658/normal_604654810bdce.pdfIn PDF document text
- https://lesinagin.weebly.com/uploads/1/3/1/4/131454304/d3e3ac91f25c66a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4475406/normal_6031dff4a5373.pdfIn PDF document text
- https://gonotelavekufuf.weebly.com/uploads/1/3/4/6/134615299/82da205f.pdfIn PDF document text
- https://nagaxubonafebax.weebly.com/uploads/1/3/1/6/131606673/rexemenonexelit.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/a8a569b6-6671-4325-92e8-e84f5004154d/23958747203.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/563d5ef4-e3ed-4fd3-9ef2-d2fd56365835/brandon_sanderson_wikipedia_pl.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/895df314-ffa5-44bf-871c-e63652a58269/29073439666.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/edc97f1d-80cf-4d9f-a3fd-455de75b681d/gusupap.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f8a1c03a-dca9-4112-b441-c9b88c046cfc/jevozunujiwefus.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/54716879-b3c3-434f-9743-00ae87493aa3/sukugapuriza.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6a4e1f1b-7453-4c37-81cf-f7693fadc4f1/sukuzokuzeratizi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f0d54796-28e7-471b-9856-7dbed3b40ef1/47605075414.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5131de65-979e-45e7-9edb-6356fb9400eb/how_to_turn_off_beep_on_casio_watch_f-91w.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/072e1975-285e-487d-ab87-5b937fffcbc2/how_do_i_program_my_samsung_remote_to_directv.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_off0000d4ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4CA | 4960 bytes |
SHA-256: 4a52fef5f1627ce606f6063745d92d6bc1c94c5f1ccc44eb2c8563e56739d094 |
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font_01_sfnt_off0000e5b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5B3 | 10688 bytes |
SHA-256: aad7461b062103cdf9cdfd0a0ffde17ad25ce756191928d84e0038e0a2397f2d |
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