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 template for an electrical distribution board circuit chart. This suggests a phishing or scam attempt to redirect users to malicious infrastructure. The presence of numerous links to external PDFs, many hosted on Shopify, indicates a potential link farm or SEO manipulation tactic to obscure the malicious redirector.
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/wix?keyword=electrical+distribution+board+circuit+chart+template
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/8090/8954/files/63360523814.pdf
- https://cdn.shopify.com/s/files/1/0431/7000/5156/files/seddon_basic_helicopter_aerodynamics.pdf
- https://cdn.shopify.com/s/files/1/0431/6574/5303/files/97228714365.pdf
- https://cdn.shopify.com/s/files/1/0437/7224/8222/files/lezilu.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/39858795743.pdf
- https://static.usrfiles.com/ugd/1fa6dd_e9fe7b29a48145f58b339f0769eefeb9.pdf
- https://static.usrfiles.com/ugd/b8c837_a6e59eb4dbb846f589b48d741d55e5f8.pdf
- https://static.usrfiles.com/ugd/b8c837_8c369762975a41ddad84b8131cc23851.pdf
- https://static.usrfiles.com/ugd/22739b_8ecadb2a877742d19a1e6223d55807ce.pdf
- https://static.usrfiles.com/ugd/d9d1f5_93a94381aa784ab5b6ee771a1c8afac2.pdf
- https://cdn.shopify.com/s/files/1/0437/8253/7365/files/lv_country_code.pdf
- https://cdn.shopify.com/s/files/1/0428/7902/5318/files/bankers_adda_current_affairs_in_english.pdf
- https://cdn.shopify.com/s/files/1/0435/9149/9935/files/fumazav.pdf
- https://cdn.shopify.com/s/files/1/0433/1218/5499/files/gear_patrol_gift_guide_2018.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zupapinited.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_off0000579a.bincbf6dd66a4a664440f32b6b99e9c5458c81df682e793da8b0e82724d1a3cf693 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x579A | 5412 bytes |
font_01_sfnt_off000069c0.bin2e2b60edcc01f6e3db119b43a20ee887ba7589734839356f050561fa65de4b0c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69C0 | 9792 bytes |
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