MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains multiple embedded links, with one identified as a malicious redirector pointing to 'ttraff.ru'. This suggests a phishing or malware delivery attempt. The PDF also hosts a large number of external links, characteristic of a link farm, potentially for SEO manipulation or to obscure malicious destinations. The document body, though heavily obfuscated, contains metadata indicating it was generated by wkhtmltopdf, a tool sometimes used to create malicious PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://ttraff.ru/pify?keyword=evento+vascular+cerebral+isquemico+fisiopatologia+pdf In PDF document text
- http://files.thejailmurse.com/uploads/1/3/2/6/132695200/jegusawo.pdfIn PDF document text
- http://files.idealdrycleaners.co.uk/uploads/1/3/2/7/132740172/zerijazenavape.pdfIn PDF document text
- http://files.wchqfm.com/uploads/1/3/1/4/131452950/duxoso.pdfIn PDF document text
- http://files.theprincesscryaries.com/uploads/1/3/0/9/130969710/4700470.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4007/0042/files/fumoritis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5900/4070/files/76499348017.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/demesudixagivok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0201/9487/files/zuledavatazoletofubeke.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6026/5117/files/4787943444.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5442/3464/files/70492386831.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pepefawabibuf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9765/3397/files/pudofisubetosowidivuvewob.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8996/9820/files/40641534560.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/95509007145.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/galuta.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5470/1463/files/sipovogat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5663/5805/files/69615414014.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9764/4449/files/40314563253.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7812/3669/files/kisekeda.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_off0000704c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x704C | 5640 bytes |
SHA-256: aecc2dbdcf654a78af15306708c39677017a65e616c37e1274fb1ba8465fd47e |
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font_01_sfnt_off0000835a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x835A | 9984 bytes |
SHA-256: 88b871192255ec033a661397788f45ba9bd3a07a8f5ebcc5c77fd078019b2722 |
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