MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, identified as a link farm and a redirector for 'free-download phishing'. The primary URL, https://trafficel.ru/123?utm_term=sharp+carousel+ii+microwave+service+manual, is presented as a service manual, indicating a social engineering lure. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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=sharp+carousel+ii+microwave+service+manual PDF link annotation
- https://cdn-cms.f-static.net/uploads/4385847/normal_5f980ff7204d7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370059/normal_5f9b6348bf592.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417309/normal_5fa6e34a58c26.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369900/normal_5f8851c0ae50e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416125/normal_5f99bc9165c5f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465924/normal_5fa72024cf375.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376625/normal_5f8ca52aeb475.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417312/normal_5fbd602e1b4be.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404520/normal_5f93c0834a36d.pdfIn PDF document text
- https://bomejafir.weebly.com/uploads/1/3/4/7/134725936/7109830.pdfIn PDF document text
- https://togitarusufojir.weebly.com/uploads/1/3/2/6/132681229/rixubufaxogev-fagewunutokili.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388062/normal_5f908a05a51dd.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/tejuvonixag/98603556858.pdfIn PDF document text
- https://s3.amazonaws.com/xidulumexi/towokemuvuxagexajomatusa.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_off0000ed5a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED5A | 5428 bytes |
SHA-256: 71d666b36594d244cb78d241de8b20c1a29fe5670f187c5d4e090aaf3e8817ba |
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font_01_sfnt_off0000ffb6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFB6 | 13100 bytes |
SHA-256: c4364bb3d736144375bc35b9bba6ba7dc24c68a9ffc854a37fc2520fcdc47e0a |
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