MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a critical heuristic firing for linking to known malicious redirector infrastructure, specifically pointing to 'ttraff.ru'. The document body, though heavily obfuscated, contains the same URL and keywords suggesting a lure. The presence of numerous other PDF links, many hosted on Shopify, indicates a link farm strategy, likely to improve SEO for malicious content or to obscure the primary malicious destination.
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=bushings+for+power+transformers+pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/1891/9837/files/functional_dependencies_and_normalization_for_relational_databases.pdf
- https://cdn.shopify.com/s/files/1/0462/7041/4999/files/lefekikumakagixuvujepasu.pdf
- https://cdn.shopify.com/s/files/1/0431/0417/4233/files/55121076034.pdf
- https://cdn.shopify.com/s/files/1/0433/7863/8998/files/taxefate.pdf
- https://static.usrfiles.com/ugd/b8c837_1e82f934b36f4cf597b373c1c665db9a.pdf
- https://cdn.shopify.com/s/files/1/0431/7426/4992/files/dictionnaire_des_accords_guitare.pdf
- https://cdn.shopify.com/s/files/1/0435/7573/8527/files/jeraxadiw.pdf
- https://cdn.shopify.com/s/files/1/0429/2037/8524/files/kanal_2_reporter_kontakt.pdf
- https://cdn.shopify.com/s/files/1/0437/3577/7445/files/email_verifier_pro.pdf
- https://cdn.shopify.com/s/files/1/0465/0536/1566/files/subudukoru.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lamafavikunidamekisuf.pdf
- https://cdn.shopify.com/s/files/1/0461/5520/2723/files/ieee_papers_on_augmented_reality.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_off00006c46.bin6f2d464b0ea59cc3022152ad67f33c49a9b38e902dcac686b5f873a741673d2d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C46 | 5564 bytes |
font_01_sfnt_off00007f18.bin4b3e83dcfc94cd1a35f9df59666bad03a42a4624ee77edc6a46761715d6f5777 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F18 | 10304 bytes |
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