MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a large number of embedded links, many of which point to external resources. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.com/pify?keyword=ergonomie+poste+de+travail+informatique+pdf'. Another heuristic noted a link farm with 30 PDF links, suggesting a coordinated effort to drive traffic to potentially malicious content. The document body itself is heavily obfuscated and appears to be a lure for the term 'Ergonomie poste de travail informatique pdf'.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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://ttraff.com/pify?keyword=ergonomie+poste+de+travail+informatique+pdf In PDF document text
- http://files.westernanimalresources.org/uploads/1/3/0/8/130873781/4a86ddd18b.pdfIn PDF document text
- http://files.wrangellsda.org/uploads/1/3/1/3/131383297/kubodef_womirariravuko.pdfIn PDF document text
- http://files.diazcounseling.com/uploads/1/3/0/7/130740589/xazexor.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/1/0428/9835/8432/files/loxidunadubufurepetiverox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0795/9452/files/93122467490.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8512/8090/files/split_files_free_software.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3957/1611/files/47901023017.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2699/5621/files/52932971935.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0000/3747/files/79118068668.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8852/7013/files/jipiva.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9195/1769/files/musicmatch_jukebox_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0130/6526/files/94939861409.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6107/6375/files/kobiwizalufa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6225/5006/files/14806053188.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8154/7417/files/drug_induced_psychiatric_disorders.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6577/8080/files/42270455776.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008a8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A8F | 5504 bytes |
SHA-256: 8349ff791132483fb281365c16b82fb366b6ab85a7ce85fbc34ed1f410720af7 |
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font_01_sfnt_off00009d33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9D33 | 2988 bytes |
SHA-256: cc6d93a24317c386e807d932f3a668457b36629ad3efd3cf07ad3fe535436ac6 |
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font_02_sfnt_off0000a9e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA9E4 | 13340 bytes |
SHA-256: c9a5f02c3dbd8d4de7546cc9847db13eef055d6097afe5c064a137a145435f9e |
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font_03_sfnt_off0000d3ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3BA | 16712 bytes |
SHA-256: b0586dc57d8134b5f4520419db51ddfba2bce25cb40617a570180313079390f5 |
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