MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to redirector infrastructure like 'ttraff.ru', which is flagged as malicious. The document body and embedded links suggest a lure for a 'free online pdf to excel converter' to entice users to click through. The ML classifier strongly indicates maliciousness, and the presence of a link farm points towards SEO manipulation for malicious purposes.
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=online+pdf+to+excel+converter+nitro In PDF document text
- http://files.420puffpuffpass.ca/uploads/1/3/0/8/130874634/muwafapodo-vuwal-dozijufux-juwutelew.pdfIn PDF document text
- http://fixotib.thefloriculture.com/uploads/1/3/0/8/130874493/a1fa1f818.pdfIn PDF document text
- http://fujexe.gardentogourmet.com.au/uploads/1/3/1/4/131453674/dijejisasanu_pifejorori.pdfIn PDF document text
- http://files.derricklrandall.com/uploads/1/3/1/4/131453387/6333e765936464.pdfIn PDF document text
- http://files.dominoeffectdjs.com/uploads/1/3/0/7/130775934/9f103bd.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/1/0430/8749/5322/files/lowusuxazisububabamebotoz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4912/3993/files/rutitapesapojuze.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6753/9623/files/66th_national_film_awards_2020_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3975/9255/files/95868124696.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8863/4263/files/18294975123.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0242/0644/files/jabiwamanovelo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3260/7894/files/doweruliwu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4224/1688/files/54186246255.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3853/0965/files/zezot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5982/1209/files/business_intelligence_analyst_interview_questions_and_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3771/2806/files/nojowax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4314/4355/files/kibikedidugabogag.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_off00005f61.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F61 | 4916 bytes |
SHA-256: 757e49d5a9c6c8b44d256958f77c2701a704b978841dfd568e3e1de35bcb769a |
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font_01_sfnt_off00007033.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7033 | 10352 bytes |
SHA-256: 1895daaa6e1b0b327c97d66776d7f6d34c159e3231e4c577f861deacdde00675 |
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font_02_sfnt_off000093c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x93C6 | 16076 bytes |
SHA-256: 9d161d6e34f835aff196e226d852edde4d65b072a4902c32411b177d8c29261e |
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