MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF file contains multiple embedded links, with one specifically identified as a malicious redirector pointing to 'ttraff.ru'. The document body, though heavily obfuscated, contains text related to 'avoir etre conjugaison pdf' and is associated with the wkhtmltopdf tool, suggesting a lure to a malicious site disguised as an educational resource. The presence of numerous external PDF links, many hosted on Shopify, further indicates a link farm or SEO poisoning tactic to distribute malicious content.
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.ru/pify?keyword=avoir+etre+conjugaison+pdf In PDF document text
- http://files.playsmart.co/uploads/1/3/0/8/130874431/fuposaxo.pdfIn PDF document text
- http://files.all4pawsdogrescue.com.au/uploads/1/3/1/4/131455883/9425829.pdfIn PDF document text
- http://files.vatvhoa.com/uploads/1/3/0/8/130813378/6076124.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/1/0430/2068/1377/files/livigedezokalewetogu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4677/3660/files/42887395180.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5969/2191/files/jetabofowepozaxovuto.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4971/2807/files/tajonajigumitozafoba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5939/4213/files/78454736014.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7489/3477/files/83163415360.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3645/8654/files/92898904478.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7424/7069/files/4205662372.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9688/3868/files/jusefatezebej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9145/1294/files/50850779582.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9328/7331/files/81943826547.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_off000072cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72CB | 5296 bytes |
SHA-256: 8c8a414b753dabc80bb6e6989d3ed51f783c77d95527f5cd42f5816d15015c44 |
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font_01_sfnt_off000084e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x84E6 | 2268 bytes |
SHA-256: 7f38c7bd3076d5ec567b373f8788658f617417f44aeaffad1c2d563936ecbb0a |
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font_02_sfnt_off00008ef6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8EF6 | 14064 bytes |
SHA-256: ed13a252ecdd930763a8d7f114061698259e2a04684dafd3ef280c7dfd82a8b4 |
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font_03_sfnt_off0000b8f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB8F5 | 16256 bytes |
SHA-256: 33ebb79d8d9ac6df600c86c73ece41e66b025ef203b37427f35d3887452a60d5 |
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