MALICIOUS
264
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics as malicious, including a critical detection for a redirector link and a machine learning model. It contains a large number of embedded URLs, many pointing to disposable hosting, suggesting a link farm designed to distribute malicious content or phish users. The presence of a callback lure heuristic further indicates a phishing or scam attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://dafemum.ru/strik?utm_term=samsung+refrigerator+rf267abrs+ice+maker In PDF document text
- https://cdn.sqhk.co/kivipemo/Coljfza/20686375296.pdfIn PDF document text
- http://bumasujofoj.getenjoyment.net/4030121047.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4405652/normal_60652126d3cb4.pdfIn PDF document text
- https://cdn.sqhk.co/wikaraxixi/cxigVHx/how_to_draw_cartoon_animals_in_easy_way.pdfIn PDF document text
- https://cdn.sqhk.co/tokofape/lrgjheI/wudosuvomizun.pdfIn PDF document text
- https://cdn.sqhk.co/xolovagi/gdot7hb/6248937371.pdfIn PDF document text
- https://cdn.sqhk.co/daxerarugak/iRmJhgn/sports_board_games_for_sale.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4443344/normal_600a55193e664.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://0298dc5a-7924-4276-8279-06452a5288da.filesusr.com/ugd/b30cf0_8cd34cd9cd364de39aab2109fbb6a93f.pdf?index=trueIn PDF document text
- https://a819be37-316e-4347-83bc-b067fb6953c8.filesusr.com/ugd/d5662a_8eb36a495760448e879f7c6e07aeead5.pdf?index=trueIn PDF document text
- http://tulazupuvive.epizy.com/akinator_apk_full_gratis.pdfIn PDF document text
- http://padusij.onlinewebshop.net/contrastive_and_error_analysis.pdfIn PDF document text
- http://ralavokapijalig.rf.gd/carpophilus_dimidiatus.pdfIn PDF document text
- https://1a447ccf-a6a5-490c-ad31-399ae8169532.filesusr.com/ugd/cf5184_dc4494738f5140638bf0ae28b9432811.pdf?index=trueIn PDF document text
- http://bibezakomi.myartsonline.com/23926965461.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/74c46d4d-2700-4583-9193-c9a2ff35fc45/59843028528.pdfIn PDF document text
- https://504706c9-3a86-45eb-876a-6494ef133fff.filesusr.com/ugd/80c1db_ccfe550a8355452180f22e3075bfd217.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/a0a6a96d-63ca-4446-a046-b6ab5ace67a6/arc_welding_questions_and_answers.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_off0001074f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1074F | 5844 bytes |
SHA-256: 436084f4372d9777151883c7fc370c5ac057e873031e7d7fa4113c5f1a9cd665 |
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font_01_sfnt_off00011b28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B28 | 11048 bytes |
SHA-256: ae9af04a7a0929fd846bf8dd92477abbda888ccda4efd9a03cc0fb9f4939db25 |
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