MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, many pointing to what appears to be a link farm designed for SEO manipulation. One prominent link, 'https://trafficel.ru/123?utm_term=hilti+kwik+bolt+tz+ss+316', is identified as an SEO redirector, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent.
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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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://trafficel.ru/123?utm_term=hilti+kwik+bolt+tz+ss+316 PDF link annotation
- https://s3.amazonaws.com/wizidimawag/61961679711.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450151/normal_5fb2fea7a9fe4.pdfIn PDF document text
- https://s3.amazonaws.com/buponuwebi/94434762658.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378378/normal_5f91b14910a73.pdfIn PDF document text
- https://s3.amazonaws.com/gofiguj/vigan_ilocos_sur_beach_resort.pdfIn PDF document text
- https://s3.amazonaws.com/bibejovixapis/95564141489.pdfIn PDF document text
- https://s3.amazonaws.com/gogoxowiniza/matthew_hussey.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4389820/normal_5fa43a2482acf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367310/normal_5fa61f258e8a1.pdfIn PDF document text
- https://feresaxeto.weebly.com/uploads/1/3/4/6/134609658/0dd5f69e5bc6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366978/normal_5f8743e3591d3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4423428/normal_5fb5b5384cfa0.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.opentle.orgIn PDF document text
- https://uploads.strikinglycdn.com/files/01516ca6-8b59-4dfe-adc0-3debefc43877/repamodovofavokotere.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
- http://www.gnu.org/licenses/gpl.htmlIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 6
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00013a2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A2D | 3220 bytes |
SHA-256: d79750bb2f20a3ba9bb930b6b4b31105ffbe3c34e59909da052283356c1a5161 |
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font_01_sfnt_off000145a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x145A3 | 5048 bytes |
SHA-256: 3946c7a64a7e048fc6d6b98b1082ceb4165f140a1e279959eb1c7355f82865f6 |
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font_02_sfnt_off00015701.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15701 | 2048 bytes |
SHA-256: d315631624845d767e8eefb1c373e4e883a0eb50fe06d181f9ec891ada23e59a |
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font_03_sfnt_off00015fd3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15FD3 | 6148 bytes |
SHA-256: 4910d0177da9f60ecc92c13a34fae8c5c38ffafb9e4e22a3c3fd987548b79157 |
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font_04_sfnt_off00016fb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16FB4 | 12824 bytes |
SHA-256: a87fe58b3581950cd9fc8f041bdfdef44e4ced7a8f1f67f1819194f69feddc2c |
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font_05_sfnt_off00019906.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19906 | 16068 bytes |
SHA-256: 48f515d49a265d3cec15dbd2d5f47ba1c49b14e3908a9c859c3ba8f821ef457d |
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