MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm designed to appear as a JavaScript tutorial, but the primary link redirects to a known malicious infrastructure at ttraff.ru. This suggests a social engineering tactic to lure users to a malicious site. The ML classifier strongly indicated maliciousness, and the presence of numerous external links, many hosted on Shopify, further supports the SEO-based link farm heuristic.
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=javascript+tutorial+pdf+w3schools
- http://files.seedsforthejourney.com/uploads/1/3/1/3/131379306/vokijelikurat.pdf
- http://files.desmoinesmennonite.org/uploads/1/3/1/8/131857445/bupex-wajadano-jidituminom-lapuzowevor.pdf
- http://files.paperrockfork.com/uploads/1/3/1/4/131438397/runejeba.pdf
- http://relerixil.juliahamilton.org/uploads/1/3/1/0/131070450/09fbc.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/45484104345.pdf
- https://cdn.shopify.com/s/files/1/0434/3595/0236/files/nezofajavagi.pdf
- https://cdn.shopify.com/s/files/1/0429/8774/9525/files/80323094414.pdf
- https://cdn.shopify.com/s/files/1/0431/7921/2959/files/osrs_1-_99_fishing_guide.pdf
- https://cdn.shopify.com/s/files/1/0437/4098/7543/files/19016282479.pdf
- https://cdn.shopify.com/s/files/1/0430/6105/1546/files/21614870182.pdf
- https://cdn.shopify.com/s/files/1/0428/3957/2643/files/21435827868.pdf
- https://cdn.shopify.com/s/files/1/0435/7806/5055/files/pisopujisuruxeworijuzi.pdf
- https://cdn.shopify.com/s/files/1/0438/9643/8936/files/75411472765.pdf
- https://cdn.shopify.com/s/files/1/0433/7372/3811/files/86126258108.pdf
- https://cdn.shopify.com/s/files/1/0431/2216/3866/files/cask_of_amontillado_questions.pdf
- https://cdn.shopify.com/s/files/1/0437/5560/2078/files/jojunobujafudo.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_off00006e67.bin7db385067f35f46223a17d8f994a71626ae081c1ac1a1cbd4f01ee20d4e92242 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E67 | 5548 bytes |
font_01_sfnt_off0000815e.bin2ed1c774dbf5966e1adbd8c4eb33831eba1f6884382015db30cefca7efb73ef5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x815E | 14452 bytes |
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