MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link to a known malicious redirector, ttraff.ru, which is disguised as a document about skin cancer epidemiology. This suggests a phishing or scam attempt. The presence of numerous other PDF links, many hosted on Shopify, indicates a potential link farm used for SEO manipulation or to distribute further malicious content. The ML classifier strongly supports the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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=cancer+de+piel+epidemiologia+pdf
- http://files.norchestergardenclub.com/uploads/1/3/1/1/131164295/3940097.pdf
- http://files.loudlibertarian.com/uploads/1/3/0/8/130814754/liwejezidufofi-nerumez-tapuvewafeli.pdf
- http://files.michelleclarkvm.co.uk/uploads/1/3/2/3/132303269/kisebafopiwuke_pafumew.pdf
- http://files.scottfostercsu.com/uploads/1/3/0/7/130776712/36a5f3.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/1935/3757/files/8077125287.pdf
- https://cdn.shopify.com/s/files/1/0433/7005/3784/files/kosejupawagugitevezejenar.pdf
- https://cdn.shopify.com/s/files/1/0429/2640/7833/files/bagifibafotisikibe.pdf
- https://cdn.shopify.com/s/files/1/0428/9311/5548/files/elsco_roller_guides.pdf
- https://cdn.shopify.com/s/files/1/0434/8831/3506/files/59054807838.pdf
- https://cdn.shopify.com/s/files/1/0427/9320/5916/files/30354649901.pdf
- https://cdn.shopify.com/s/files/1/0430/8326/8257/files/aquaponic_farming.pdf
- https://cdn.shopify.com/s/files/1/0429/8499/7025/files/jofavojimefe.pdf
- https://cdn.shopify.com/s/files/1/0433/9521/9623/files/74404147899.pdf
- https://cdn.shopify.com/s/files/1/0430/5059/8562/files/51489514816.pdf
- https://cdn.shopify.com/s/files/1/0431/0892/5600/files/kugazisadifamadevezigoduk.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005dd6.bina276584416b30ecea2cefd8a8a7f0f7aa1c6dd98e8d1fb749f99f351ef2200e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DD6 | 5204 bytes |
font_01_sfnt_off00006f6f.binbe75c188fb9a032e281a02d891275662dd9acfef01cd50cb36629928a81cd89d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F6F | 11116 bytes |
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