MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external websites, including a known malicious redirector at dafemum.ru. The heuristic firings indicate this PDF is part of a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://dafemum.ru/wix?keyword=arithmetic+sequence+algebra+1+worksheet In PDF document text
- https://revapukas.weebly.com/uploads/1/3/5/3/135323612/4127185.pdfIn PDF document text
- https://cdn.sqhk.co/rapovebakeb/ejcpvif/off_road_motorcycle_training_ontario.pdfIn PDF document text
- http://pejofewetoz.22web.org/beltless_formal_trousers.pdfIn PDF document text
- https://cdn.sqhk.co/xuxozowaki/XgaJQ4c/angry_birds_2_characters_cast.pdfIn PDF document text
- https://posuzelivoj.weebly.com/uploads/1/3/4/8/134869480/watoladisol.pdfIn PDF document text
- https://cdn.sqhk.co/vaxarogajib/ggBhhjj/my_android_phone_won_t_update_apps.pdfIn PDF document text
- https://cdn.sqhk.co/sivunukiwe/dAFibZa/fogejufebanidizube.pdfIn PDF document text
- http://samejeno.iblogger.org/2420489566.pdfIn PDF document text
- https://cdn.sqhk.co/dagosasojo/a8jiflt/1755727642.pdfIn PDF document text
- https://vufemare.weebly.com/uploads/1/3/4/8/134855896/fekaniz.pdfIn PDF document text
- https://kanudepu.weebly.com/uploads/1/3/2/7/132740929/firiwivuv.pdfIn PDF document text
- https://kapekutom.weebly.com/uploads/1/3/4/4/134437999/3436900.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/xufoxorog/sheet_piano_melody_of_the_night_5.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/28dd20f8-10dc-44e2-902b-e05c617f7a59/step_outline_example_screenplay.pdfIn PDF document text
- http://sexofademuga.rf.gd/kifujimanefuvalesatad.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a528e2e3-47c3-4286-ac10-1d02deb7180c/7112363934.pdfIn PDF document text
- http://gigirisezox.rf.gd/wasetefozejatibop.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e10e527d-90c1-4b5a-ae8e-194b6462dbc3/46452080930.pdfIn PDF document text
- https://s3.amazonaws.com/janodojivi/53308396155.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fa9f97dc-396b-41d4-ad53-56e558ed592c/liwenokilowef.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/01913f91-bfa9-4517-88a5-e487f335d2a4/voguboxu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/95a4cc84-48ad-457d-af52-33115abe9c1e/68280129214.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/952b7adf-4e3e-4e5a-8d02-ba07fe8b66bb/37086038547.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/72999b23-cb7e-44e7-9ae7-0abc3ed7006c/ffx_remaster_guide_book.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_off0000db4a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB4A | 5676 bytes |
SHA-256: a88924199c2c852fcf69c6884df8d41058c3dbc53121ca9938b3379c8d8be019 |
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font_01_sfnt_off0000ee83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE83 | 10692 bytes |
SHA-256: 56d11b7d83ff8c10724f822166fe9b375cf86ad086b0a6a6b8da6995ee4ff35a |
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