MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to external PDF files hosted on Shopify. One prominent link, 'https://ttraff.ru/pify?keyword=annales+brevet+2020+maths+nathan+corrig%25C3%25A9+pdf', is identified as a malicious redirector. The document body, though heavily obfuscated, contains keywords suggesting an advance-fee scam, such as lottery or prize language combined with draft/funds wording and courier delivery requirements. This indicates a likely attempt to lure the user into clicking the malicious link to initiate a fraudulent transaction.
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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Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LUREDocument contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
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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=annales+brevet+2020+maths+nathan+corrig%25C3%25A9+pdf In PDF document text
- http://files.letmebegreatchildrensyoga.com/uploads/1/3/1/3/131380295/luvipaxikudi.pdfIn PDF document text
- http://files.bathbombbootcamp.com/uploads/1/3/0/8/130874108/92c41ac.pdfIn PDF document text
- http://files.northeastsocietyforvascularnursing.com/uploads/1/3/1/3/131379183/femafadavifo.pdfIn PDF document text
- http://famiwidun.giaddiecreations.com/uploads/1/3/0/8/130813765/c1331.pdfIn PDF document text
- http://files.opalaneboutique.com/uploads/1/3/0/8/130815124/1113111.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/1/0438/3680/1181/files/mufumosodo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4790/1592/files/41623334701.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3020/0991/files/kukav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9624/3364/files/zuvimoteririfavixulababuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8670/8893/files/47973052694.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6662/9032/files/93529211307.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9400/0295/files/wapokem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1228/2789/files/jiwuboduki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4628/8025/files/mopamufakoni.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/1322/4094/files/tunefixilujoruvuzuvigixob.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7101/2006/files/neumonia_adultos_2020.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_off00004b86.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4B86 | 6176 bytes |
SHA-256: 49bff887d6d491ff6557d1c92780607830fd5459dfd98307c21a42bfaa7dfc1c |
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font_01_sfnt_off00006020.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6020 | 10496 bytes |
SHA-256: 817bf9cfd23b8c90d34855113f440827f11ab0b8ac75418092ff5e05019fa4a8 |
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