MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to Shopify domains hosting other PDFs. One critical heuristic firing indicates that the document links to a known malicious redirector infrastructure at `https://ttraff.ru/pify?keyword=carbonisation+of+coal+pdf`. This suggests the document is part of a link farm designed to drive traffic to malicious sites, likely for phishing or malware distribution.
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=carbonisation+of+coal+pdf In PDF document text
- http://files.nyswip.net/uploads/1/3/1/4/131408954/3240757.pdfIn PDF document text
- http://files.spiralofcooperation.com/uploads/1/3/1/4/131407357/39595.pdfIn PDF document text
- http://files.menshairreplacementnc.com/uploads/1/3/1/6/131606257/a673c8ca6b58c70.pdfIn PDF document text
- http://files.studiodig.com/uploads/1/3/1/8/131856146/0227cd0db.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/1/0433/0687/7080/files/kekiwimuzavenomudajelibo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/5496/2590/files/cathode_ray_tube_experiment.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0083/9842/files/vodipo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4889/3606/files/92073697097.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4195/6775/files/ketogenic_diet_lyle.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0983/3117/files/64634728546.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2099/9064/files/rixoradopalufaxuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4618/1787/files/sujimipu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3485/9927/files/33228395272.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3267/2418/files/69002868675.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8421/0583/files/96337496978.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4973/8650/files/xebuzoledo.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_off00005b2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B2D | 5196 bytes |
SHA-256: 168574e11be9e70e2bbbb66db735e8906250fb469e26509357dff4a56f6cbb3d |
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font_01_sfnt_off00006cd9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CD9 | 10388 bytes |
SHA-256: ff378482dbac438576d2cccf94c681c3e4bacde693aaea7b158b2b390c582594 |
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font_02_sfnt_off0000907a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x907A | 16148 bytes |
SHA-256: 98bbda09e34957c2c47eea570891e411fa41ced272e9777bbef021ce7395b75a |
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