MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
T1059.001 PowerShell
The PDF contains numerous links, with a critical heuristic identifying a malicious redirector at 'ttraff.ru'. The document body, though heavily obfuscated, suggests a lure related to '12th maths formulas', likely to attract victims through search engines. The presence of multiple Shopify-hosted PDFs, alongside other unknown domains, indicates a link farm strategy. No scripts were extracted, limiting the analysis of direct payload execution.
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=all+formula+of+12th+maths+pdf In PDF document text
- http://files.tukawaysleddogkennel.com/uploads/1/3/1/4/131407148/e70e130a1234.pdfIn PDF document text
- http://files.deevinestudio.com.au/uploads/1/3/1/4/131483128/4a2901fd4b8.pdfIn PDF document text
- http://files.w-here2stay.org/uploads/1/3/1/0/131070718/runalotada_tigiribuzobare.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/1/0429/3555/0118/files/80599113167.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4292/0869/files/50062454254.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3493/5447/files/lufebunut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5698/8311/files/vomaniredu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0601/7186/files/gidatowozogezi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9340/2534/files/muxuligozusulabi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5915/1009/files/zewidimikatugu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5804/4826/files/nijeresesoxagugutovi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7849/2062/files/wilamu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7304/4634/files/14420145091.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5655/4394/files/josorodamisofoja.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1740/4573/files/18274432911.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_off0000a9df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA9DF | 5064 bytes |
SHA-256: 9caaf7bbcfbc229f025fe91a7d4c762c9a0d535b3377274888897e8c87b33011 |
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font_01_sfnt_off0000bb15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB15 | 16756 bytes |
SHA-256: 626771899578f30ddc1c709075a18de17735712bb1ea58a4ad13ce0be2164e19 |
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font_02_sfnt_off0000ef72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF72 | 16340 bytes |
SHA-256: bc775481b3234384b148fecb09583cee6edbe2a3f99fb4a17f3c618959311435 |
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