MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link to a known malicious redirector, ttraff.com, disguised as an 'epf balance transfer form'. The document body, though heavily obfuscated, contains the same URL, reinforcing the lure. The presence of a large number of external links, many pointing to Shopify, suggests a link farm for SEO poisoning or traffic redirection. 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=epf+balance+transfer+form
- http://files.gordongreggphotography.com/uploads/1/3/1/4/131437106/jofon_mubodudagowo.pdf
- http://xowil.gravesbjj.com/uploads/1/3/1/3/131382166/mivudozabi.pdf
- http://fozokin.artscounciloftorrance.org/uploads/1/3/1/6/131606339/8076765.pdf
- https://cdn.shopify.com/s/files/1/0430/3385/4103/files/sejiwopizabasopavibo.pdf
- https://cdn.shopify.com/s/files/1/0435/9861/0589/files/89811388280.pdf
- https://cdn.shopify.com/s/files/1/0433/6805/4940/files/interval_notation_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0432/9727/6064/files/vuesax_admin_template.pdf
- https://cdn.shopify.com/s/files/1/0436/4953/2069/files/wubafizoramaruxi.pdf
- https://cdn.shopify.com/s/files/1/0431/3976/0295/files/uncle_tom_s_cabin_full.pdf
- https://cdn.shopify.com/s/files/1/0432/5667/6507/files/lilowiwazenavexaxarej.pdf
- https://cdn.shopify.com/s/files/1/0447/0823/3369/files/analytic_trigonometry_with_applications_11th_edition.pdf
- https://cdn.shopify.com/s/files/1/0432/2961/0141/files/design_e_comunicao_visual_bruno_munari_download.pdf
- https://cdn.shopify.com/s/files/1/0437/1077/5464/files/v3rm_print_position_and_copy_text.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00013bb5.binef94d8b7a1524471cf9d16cc4866fa991b34b2150f4a0b7321679d2aec446513 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BB5 | 5256 bytes |
font_01_sfnt_off00014d78.bin6625a7023ed01a4c713807c21c92451300292cd267844042a08004044c3d2aa1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14D78 | 15308 bytes |
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