MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to external PDF files hosted on various domains, suggesting a link farm. One critical heuristic identified a link to a known malicious redirector, ttraff.com, which is likely used to obscure the final destination or monetize traffic. The ML classifier also strongly indicated maliciousness.
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.com/pify?keyword=carrom+board+rules+pdf
- http://files.nebraskarainbowgirls.com/uploads/1/3/1/3/131379253/45ff15d32d30360.pdf
- http://files.mikewilldridge-artist.com/uploads/1/3/1/4/131437117/begurunakotudip_popowufixe_wowuloj_nerudinuz.pdf
- http://files.donmelnychuk.com/uploads/1/3/2/3/132303181/1955f134b4.pdf
- http://files.canuckdivers.ca/uploads/1/3/2/6/132681647/960f480b18f8.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0427/8845/4559/files/jibigodikutusumiwowujaros.pdf
- https://cdn.shopify.com/s/files/1/0440/8007/0808/files/37684941953.pdf
- https://cdn.shopify.com/s/files/1/0429/7300/3939/files/61660291735.pdf
- https://cdn.shopify.com/s/files/1/0432/2433/4496/files/61224239954.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kerikelamizefebimu.pdf
- https://cdn.shopify.com/s/files/1/0431/8131/0114/files/31981687896.pdf
- https://cdn.shopify.com/s/files/1/0432/4818/9603/files/mezijerenusigubawajatit.pdf
- https://cdn.shopify.com/s/files/1/0429/2093/5590/files/dosiguzap.pdf
- https://cdn.shopify.com/s/files/1/0433/3371/4070/files/15469829476.pdf
- https://cdn.shopify.com/s/files/1/0432/5205/6227/files/jipomuveweve.pdf
- https://cdn.shopify.com/s/files/1/0428/3593/5388/files/gedafidupesakabifuma.pdf
- https://cdn.shopify.com/s/files/1/0431/0705/7825/files/33038445271.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_off0000dfc0.bin584d5b2ed47ac59e4906fb65cae62fae8f508b28270178a3204deee8d66e3f08 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFC0 | 4996 bytes |
font_01_sfnt_off0000f0bd.bin18a7e8186988bee0169c53650f23fbf46135d5deabbbc8c554cf575215fd26a0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0BD | 9932 bytes |
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