MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document exhibits characteristics of a link farm, containing numerous embedded URLs pointing to other PDF files. One of these URLs, 'https://ttraff.ru/pify?keyword=best+friend%2527+s+brother+lyrics', is identified as a malicious redirector. The presence of a large number of external links suggests an attempt to distribute malicious content or engage in SEO manipulation for malicious purposes. No scripts were extracted from this sample.
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+friend%2527+s+brother+lyrics
- http://files.emilygoldbergchicago.com/uploads/1/3/1/1/131164153/rixobaveb-rorel-jopom-rebuvorezoviz.pdf
- http://files.controlengineering.net/uploads/1/3/0/8/130814043/zugimo_petotezorilav_vixojizonub.pdf
- http://files.carockart.org/uploads/1/3/0/8/130813979/32d65a0872d9814.pdf
- http://files.onenationingod.net/uploads/1/3/2/6/132681340/5212827.pdf
- http://files.kidsonuptherapy.com/uploads/1/3/0/7/130776366/mamekuvepuf.pdf
- https://cdn.shop
- https://cdn.shopify.com/s/files/1/0438/0118/2370/files/34519240771.pdf
- https://cdn.shopify.com/s/files/1/0433/4832/8603/files/rotux.pdf
- https://cdn.shopify.com/s/files/1/0434/3899/7669/files/jixukurasafewi.pdf
- https://cdn.shopify.com/s/files/1/0431/7128/3098/files/3251818260.pdf
- https://cdn.shopify.com/s/files/1/0431/6931/7013/files/47024126332.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tadigepulimo.pdf
- https://cdn.shopify.com/s/files/1/0435/6666/1791/files/aldous_huxley_the_doors_of_perception.pdf
- https://cdn.shopify.com/s/files/1/0430/9286/9281/files/93712563324.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tugerivedisabuv.pdf
- https://cdn.shopify.com/s/files/1/0431/3019/2039/files/62921051731.pdf
- https://cdn.shopify.com/s/files/1/0431/7931/1253/files/nivirafijotutilirularuw.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_off00006555.bin2f34996f1f5031c68ddaefbe9d23f7aa1223f2d05ccc8204b98ca8f2dc8ce111 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6555 | 5224 bytes |
font_01_sfnt_off0000772a.bin64868be6c4bc92a6ad6459f56c7deaa3307006fb6fbbab14479e00ebb509dd3f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x772A | 10124 bytes |
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