MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm designed to redirect users to malicious infrastructure, specifically to 'ttraff.ru'. The document body, though partially obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=best+books+for+c+programming+beginners+pdf', indicating a lure related to programming books. The presence of numerous links to Shopify-hosted PDFs, while many are benign, suggests a tactic to improve search engine ranking for malicious content.
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=best+books+for+c+programming+beginners+pdf
- http://files.mamawellacu.com/uploads/1/3/1/3/131378776/1662972.pdf
- http://files.blairstownpubliclibrary.com/uploads/1/3/1/8/131858661/lesusupodowite.pdf
- http://files.csuwritingproject.net/uploads/1/3/1/8/131856602/leravitaf.pdf
- https://cdn.shopify.com/s/files/1/0447/3936/2970/files/antecedentes_de_la_policia_en_mexico.pdf
- https://cdn.shopify.com/s/files/1/0435/1993/4628/files/types_of_occupational_health_hazards.pdf
- https://cdn.shopify.com/s/files/1/0430/0547/7023/files/anansi_and_the_talking_watermelon.pdf
- https://cdn.shopify.com/s/files/1/0433/6418/8312/files/92869206381.pdf
- https://cdn.shopify.com/s/files/1/0434/0239/5813/files/array_in_c_programming_tutorial.pdf
- https://cdn.shopify.com/s/files/1/0441/2401/2696/files/wenegomixira.pdf
- https://cdn.shopify.com/s/files/1/0432/7433/8454/files/17337060641.pdf
- https://cdn.shopify.com/s/files/1/0432/0142/9662/files/60639906133.pdf
- https://cdn.shopify.com/s/files/1/0429/1310/4035/files/mewemafutopibilolovero.pdf
- https://cdn.shopify.com/s/files/1/0431/4490/4865/files/tolavek.pdf
- https://cdn.shopify.com/s/files/1/0433/7162/6652/files/pemumerox.pdf
- https://cdn.shopify.com/s/files/1/0435/4280/6680/files/jukusojosumevibuxul.pdf
- https://cdn.shopify.com/s/files/1/0437/3587/5745/files/salow.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_off000066e0.bine4fbb44994f0ac46b455d6c12ee13c3174e20fc7190a0d40099fee2c62f3c6dd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66E0 | 5696 bytes |
font_01_sfnt_off00007a24.bin1256da95993155b5ed6f094291abe7bd6b0a7e0378818ec27489f26ffef304cc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A24 | 10552 bytes |
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