MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to domains associated with link farms and redirectors, such as ttraff.com. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK specifically flags a link to ttraff.com, indicating a malicious redirector. The document body, though heavily obfuscated, contains the string 'Reserved sign pdf' and the malicious URL, suggesting a lure to trick users into clicking on the embedded links, which likely lead to further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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.com/pify?keyword=reserved+sign+pdf
- http://moporof.straleystudios.com/uploads/1/3/0/9/130969723/3749632.pdf
- http://files.elgintreepros.com/uploads/1/3/1/6/131636843/8166930.pdf
- http://pafizoju.itsbammtastic.com/uploads/1/3/2/6/132695584/fozilerodajenatozu.pdf
- http://files.kennedypickering.com/uploads/1/3/1/4/131452826/rufufabedevedaja.pdf
- http://lawam.bssmfg.com/uploads/1/3/0/8/130873951/semafuvozud.pdf
- https://cdn.shopify.com/s/files/1/0435/7432/9499/files/static_gk_capsule_ibps_guide.pdf
- https://cdn.shopify.com/s/files/1/0437/7804/8151/files/41057193322.pdf
- https://cdn.shopify.com/s/files/1/0435/2750/4032/files/zogubabatimovaranotovo.pdf
- https://cdn.shopify.com/s/files/1/0431/0899/1143/files/vinirexaminefurareganax.pdf
- https://cdn.shopify.com/s/files/1/0431/2973/3282/files/50458939835.pdf
- https://cdn.shopify.com/s/files/1/0432/0264/2075/files/49219883294.pdf
- https://cdn.shopify.com/s/files/1/0429/6966/1589/files/90906545855.pdf
- https://cdn.shopify.com/s/files/1/0429/8794/6143/files/spoken_english_books_free_download_in_gujarati.pdf
- https://cdn.shopify.com/s/files/1/0431/5293/3018/files/definition_of_symbolism_in_literature.pdf
- https://cdn.shopify.com/s/files/1/0429/9302/5183/files/91693060889.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004272.bin5df5d67553c89d6f1d748c1132a0a5afb3dc1e18e9fdbf155611494b977e6775 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4272 | 4632 bytes |
font_01_sfnt_off0000523a.bin5147ce4ff1890952db5cc5a855d687209313a07b9fbe4ee2ca367492926277d3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x523A | 9268 bytes |
font_02_sfnt_off00007209.bin7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7209 | 4324 bytes |
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