MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document is identified as malicious by multiple heuristics and an ML classifier, including a critical alert for linking to known malicious redirector infrastructure. The document contains a large number of external links, many hosted on disposable domains, suggesting a link farm used for phishing or to distribute further malicious content. The presence of a link to dafemum.ru, flagged as a malicious redirector, is a high-priority indicator.
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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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/123?utm_term=342+platform+number+majestic In PDF document text
- https://cdn-cms.f-static.net/uploads/4494681/normal_600bfc32e0233.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447880/normal_601b334751d66.pdfIn PDF document text
- https://ronunafo.weebly.com/uploads/1/3/1/8/131856498/sejomi_gamasubixi_mukoref_binojozeloxowe.pdfIn PDF document text
- https://repemigikaji.weebly.com/uploads/1/3/4/6/134608024/firutunubi_reravogipudibe.pdfIn PDF document text
- https://mapaforidax.weebly.com/uploads/1/3/4/0/134012560/98737.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4475572/normal_5ff654000e6dd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418981/normal_5fd76434181a1.pdfIn PDF document text
- https://kiwiwutirove.weebly.com/uploads/1/3/4/7/134707888/delewog.pdfIn PDF document text
- https://lijowuvum.weebly.com/uploads/1/3/4/6/134624244/3f91c4f29e09da0.pdfIn PDF document text
- https://mokomopepu.weebly.com/uploads/1/3/5/3/135333670/7601521.pdfIn PDF document text
- https://pefobasor.weebly.com/uploads/1/3/4/1/134131397/1221735.pdfIn PDF document text
- https://gozopurejogutix.weebly.com/uploads/1/3/4/5/134578339/993e25e70203.pdfIn PDF document text
- https://zunodeni.weebly.com/uploads/1/3/1/0/131070331/e9bb7970773ce6.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4385620/normal_5ff566b879de4.pdfIn PDF document text
- https://famepakemujo.weebly.com/uploads/1/3/2/7/132740594/rirozesetami.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4414487/normal_5fd16f9864dba.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4455185/normal_60b909ba5cb78.pdfIn PDF document text
- https://bugajujifupub.weebly.com/uploads/1/3/4/8/134894919/zapurajipexov_mivar_tozizeki_dukaxijazoxu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416506/normal_60490bdfbf953.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4493541/normal_5fda36da74eee.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4496389/normal_5fc7f2300e956.pdfIn PDF document text
- https://gawajofanobovap.weebly.com/uploads/1/3/5/2/135296378/6b179d7d2e.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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_off00013c05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C05 | 5668 bytes |
SHA-256: ead5260ea82520a6024843fc9e16147b31ccc19acc0657db2ea305f4489b2054 |
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font_01_sfnt_off00014f3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14F3F | 11128 bytes |
SHA-256: bd4cd91aaccb87ff12973164998f82d96542b99aaa4d4d8a27ff097aecdc39ba |
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