MALICIOUS
254
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by multiple heuristics and a machine learning classifier, specifically flagging it as a redirector and part of a link farm. The primary malicious indicator is the embedded URL pointing to `https://traffmen.ru/123?utm_term=electron+configuration+for+lithium+science`, which is known malicious infrastructure. The document's structure suggests it is designed to exploit users by directing them to potentially harmful content, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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=electron+configuration+for+lithium+science In PDF document text
- https://s3.amazonaws.com/xurixado/activate_workbook_and_sheet_vba.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385648/normal_5fa78de57c04e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481400/normal_5fa840f8c365f.pdfIn PDF document text
- https://juleverut.weebly.com/uploads/1/3/4/4/134488806/ponetosuxukerobun.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481540/normal_5fb556f37cd5c.pdfIn PDF document text
- https://s3.amazonaws.com/legobegutulo/59697256918.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/92d132d9-ab60-4c1a-85d9-3f95ae0225c3/59345694805.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f775f2ec-a475-4b05-b977-679625d21a59/a_simple_network_of_capacitors.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4dbae089-6967-4f7c-9649-7815f7a09ee1/25576941522.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/32c964a4-8fb5-4406-8fe3-f8963b89841e/nuzabapi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7d991cf9-ec60-479d-b707-788d85b74d41/playboy_july_1982.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5d113c20-15dd-4864-9034-943563201f55/data_and_computer_communications_wil.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b8c0498e-18f8-44ae-8190-b0568a8b5a4b/40548746790.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c3df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3DF | 5252 bytes |
SHA-256: 3b41ec5d594429c4dabe03ba4f487e1a7c3b9db2ce73f0f728e8965bc1ce86cf |
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font_01_sfnt_off0000d599.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD599 | 10148 bytes |
SHA-256: 883e882673afc1b7195cacddae28ad900ed979a063b4911d55a3ac686daa7e1d |
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font_02_sfnt_off0000f763.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF763 | 16060 bytes |
SHA-256: a1e2968ca8c7638dd4bef022e186f3fea2b098bc52bbc7b81535a6634822059c |
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