MALICIOUS
196
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 ClamAV and an ML classifier, indicating it is likely a phishing or malware distribution document. The presence of numerous external links, including one to a redirector at 'https://druttle.ru/wix?keyword=plantronics+k100+manual+romana', suggests an attempt to lead the user to malicious content. The document body's obfuscated nature and the PDF structure with many external links point towards a link farm or SEO poisoning tactic to disguise malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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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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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External URI info PDF_URIPDF contains an external URL action
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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://druttle.ru/wix?keyword=plantronics+k100+manual+romana PDF link annotation
- https://static.s123-cdn-static.com/uploads/4376374/normal_5fcaabb2b1e12.pdfIn PDF document text
- https://xuredetinumimo.weebly.com/uploads/1/3/4/6/134630251/002c3a2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365575/normal_60251bd8bfdfa.pdfIn PDF document text
- https://s3.amazonaws.com/zebarufuridorur/practical_english_usage_file.pdfIn PDF document text
- https://s3.amazonaws.com/zuxime/cute_cartoon_pics.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368969/normal_5fea359cb2448.pdfIn PDF document text
- https://s3.amazonaws.com/wazotojemov/vamitatugotusifaguxugul.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4419410/normal_6002b68920424.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4482020/normal_600fd601ea9b3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409107/normal_600ba8597c777.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4469136/normal_5fc79a360e56b.pdfIn PDF document text
- https://s3.amazonaws.com/pubopelej/waluwizajobajakijo.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4424689/normal_5ff6915c11b24.pdfIn PDF document text
- https://supagerafigi.weebly.com/uploads/1/3/0/8/130874211/xetogu_sudujeb_nonoferubusa_mawisi.pdfIn PDF document text
- https://s3.amazonaws.com/vinejivunitego/parliamentary_sovereignty_essay.pdfIn PDF document text
- https://doxazefeseremef.weebly.com/uploads/1/3/4/7/134764644/bidula-kamiretalunere-famepow-bemenonek.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_off0001a82f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A82F | 4968 bytes |
SHA-256: 11fb124a439e529c7ec8de846456ad905e43d43423c23b05ff53ea0a3926b38c |
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font_01_sfnt_off0001b8ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B8EA | 23092 bytes |
SHA-256: a7c085f1f7c4eb3e73f2d8b22fc74e4639138cc446d9942b9b20488acf596eaf |
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font_02_sfnt_off0001f9c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1F9C2 | 16132 bytes |
SHA-256: 6820151f9a4816bccc9e85e605aef44ce22c8924dfcccd161584754f275bf028 |
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font_03_sfnt_off00020eb9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x20EB9 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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