MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to a link farm designed to redirect users to malicious infrastructure. The primary malicious URL identified is ttraff.ru, which is flagged as a known malicious redirector. The document body, though heavily obfuscated, suggests a lure related to 'hybrid bike tyre pressure guide'.
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=hybrid+bike+tyre+pressure+guide
- http://files.se-gaming.com/uploads/1/3/1/4/131406736/4ac7f.pdf
- http://files.doitforthemems.com/uploads/1/3/0/7/130775868/kadanuzepab-rulewopaxewi.pdf
- http://files.thurmontmainstreet.com/uploads/1/3/2/7/132712163/zodukunokizak.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/1715/0357/files/90348824517.pdf
- https://cdn.shopify.com/s/files/1/0432/5461/2123/files/bomidoj.pdf
- https://cdn.shopify.com/s/files/1/0431/0905/6668/files/62204782641.pdf
- https://cdn.shopify.com/s/files/1/0432/5795/4467/files/52775133877.pdf
- https://cdn.shopify.com/s/files/1/0439/3864/4123/files/fuzekivameleduviminowita.pdf
- https://cdn.shopify.com/s/files/1/0434/1573/2381/files/neredotinedavelide.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nomevorijodasulalo.pdf
- https://cdn.shopify.com/s/files/1/0432/5769/2320/files/29270945231.pdf
- https://cdn.shopify.com/s/files/1/0438/0416/4257/files/81965122197.pdf
- https://cdn.shopify.com/s/files/1/0430/4466/7553/files/66013601135.pdf
- https://cdn.shopify.com/s/files/1/0433/4485/5195/files/59433106713.pdf
- https://cdn.shopify.com/s/files/1/0429/8578/3447/files/sezafakeged.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_off00007594.binb412236a19e95941a1218dd36997879c76ac1fba61b2ae5976834806eb885e2e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7594 | 4816 bytes |
font_01_sfnt_off0000860b.bin3a231edadf237627b3bbdacf473015f76c7cec09c521a113fe06ec4cf014295c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x860B | 10100 bytes |
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