MALICIOUS
254
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating malicious redirector links and a link farm, pointing to a phishing or malware distribution attempt. The primary malicious URL identified is traffmen.ru, which is used in conjunction with a UTM parameter. The presence of numerous external PDF links suggests an attempt to manipulate search engine rankings or distribute further malicious content.
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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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://traffmen.ru/123?utm_term=xjz+survey+remover+bookmarklet+chrome In PDF document text
- https://s3.amazonaws.com/napisakaluja/dupipibevus.pdfIn PDF document text
- https://xigokerurubupa.weebly.com/uploads/1/3/4/3/134312623/sodunu.pdfIn PDF document text
- https://lanufirosonez.weebly.com/uploads/1/3/4/7/134704233/xuzukim.pdfIn PDF document text
- https://s3.amazonaws.com/bubodeliza/sejpme_ii_module_2_post_test_answers.pdfIn PDF document text
- https://s3.amazonaws.com/ginutu/bimagivixuvariwuxiviwodu.pdfIn PDF document text
- https://s3.amazonaws.com/suxiweke/woxoposuzasejemurat.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4449629/normal_5fa47737c5a6b.pdfIn PDF document text
- https://pefojefevofat.weebly.com/uploads/1/3/4/6/134659321/junusizugumo-dajuvem.pdfIn PDF document text
- https://vokewubepil.weebly.com/uploads/1/3/4/4/134443825/bepex.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404990/normal_5fb5d0f75673a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409236/normal_5f99447b26bc5.pdfIn PDF document text
- https://nanorobudilason.weebly.com/uploads/1/3/0/7/130775181/nazafa-pidikexazug-kavolodiwo-jogesikuwuner.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404313/normal_5f9eb45eb5367.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In 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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e6a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6A5 | 5236 bytes |
SHA-256: b8fd7867d8d628fd096f2db40d5703c43a26db6627859944dfaa014a27d45efe |
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font_01_sfnt_off0000f890.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF890 | 12360 bytes |
SHA-256: ba8e88013892c54889acbbe2d166109188d868e8b5420a862bbde277b2874443 |
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font_02_sfnt_off00012295.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12295 | 16248 bytes |
SHA-256: 86438bd81a3a232cc80d27492c0170df0d0fd4f5ccb22f26f32a4c48c561dd43 |
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font_03_sfnt_off000137dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137DC | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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