MALICIOUS
254
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded URLs, with a critical heuristic firing indicating it links to known malicious redirector infrastructure. The document body, though heavily obfuscated, suggests a lure related to a 'staff homepage'. The presence of a password-protected archive lure heuristic further supports the intent to trick users into downloading malicious content. The ClamAV detection and ML classifier also strongly indicate maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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/wix?keyword=capousd+staff+homepage In PDF document text
- https://static.s123-cdn-static.com/uploads/4453891/normal_6007b0758b083.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4466368/normal_6002d76394310.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4484355/normal_602a8547c1739.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4426690/normal_5fe558b64a511.pdfIn PDF document text
- http://20970907.net/38874394315bumc2.pdfIn PDF document text
- http://card2card-perevod24.site/zudujoenpce.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4500887/normal_601157c18bef8.pdfIn PDF document text
- http://reetodo.online/is_buying_a_mustang_gt_worth_itui2rl.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4458413/normal_603402d07b3c5.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4375203/normal_5fc99bea5652e.pdfIn PDF document text
- http://forecast.bet/xiaomi_amazfit_watch_facessvoqx.pdfIn PDF document text
- http://regse.website/fabanegowijagiposebqeka.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4425491/normal_600672bae21ce.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4471256/normal_604329093c309.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4386839/normal_602c622ae3a7f.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/gomaxod/14325126018.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bf672d6f-f0db-48e4-beaf-d7b1be1ab20c/merrills_principles_of_instruction_lesson_plan.pdfIn PDF document text
- https://8fa10226-37c2-454d-bd65-ced70ecbf0c4.filesusr.com/ugd/c34aa9_33ad28f04fd346f9ad805a2cf86c07c5.pdf?index=trueIn PDF document text
- https://b5b764bc-4fc6-48d7-9a4b-423a4d05f225.filesusr.com/ugd/3f2390_f7b0d25bb0194b35841da9c746144cf8.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/fekife/85348356730.pdfIn PDF document text
- https://592908bf-dd96-48cc-88d9-ffebbdd10d84.filesusr.com/ugd/f34823_38a4682f21424e53bf0c292a0e86c096.pdf?index=trueIn PDF document text
- https://cc968bdf-8a18-4a65-a72d-893c706ef441.filesusr.com/ugd/bae363_e857d9eae9f94b89b988a4a6ba42a426.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zidosozawok/80231191122.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/18b94cbf-78e9-4c86-8d0a-815917a09c28/58044363913.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_off00011d73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D73 | 5232 bytes |
SHA-256: b650ac16364655f0cbd254f256dd3b3d8853065efc65e79deb65501519b44abc |
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font_01_sfnt_off00012f1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F1C | 10848 bytes |
SHA-256: 8d6658e1196189e77e4738b19975f919820ce59af3018beadfaed5f90ccfa104 |
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