MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged by multiple critical heuristics for containing malicious redirector links and a link farm. The primary malicious URL identified is https://ttraff.ru/pify?keyword=alfabeto+japones+kanji+pdf, which likely serves as a gateway to further malicious content. The document body, though heavily obfuscated, contains references to the same URLs, reinforcing the malicious intent. 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=alfabeto+japones+kanji+pdf
- http://files.icthope.org/uploads/1/3/1/4/131453124/xejegexon.pdf
- http://files.nathanjroberts.com/uploads/1/3/0/7/130775743/68edd.pdf
- http://files.citynorasprings.com/uploads/1/3/1/0/131070112/9604318.pdf
- https://cdn.shopify.com/s/files/1/0430/0079/1191/files/84730851942.pdf
- https://cdn.shopify.com/s/files/1/0433/7713/1683/files/ejercicios_abdominales_gratis.pdf
- https://cdn.shopify.com/s/files/1/0437/5887/8872/files/pasiresetabizivivini.pdf
- https://cdn.shopify.com/s/files/1/0428/3046/3142/files/76888558452.pdf
- https://cdn.shopify.com/s/files/1/0431/2632/5402/files/58105546291.pdf
- https://cdn.shopify.com/s/files/1/0431/5650/4744/files/jinatemofufixamipejuk.pdf
- https://cdn.shopify.com/s/files/1/0431/5096/6950/files/pinukexofategoduxujata.pdf
- https://cdn.shopify.com/s/files/1/0434/6609/6806/files/wujovewemivixiris.pdf
- https://cdn.shopify.com/s/files/1/0434/6462/2246/files/tosajejetivuwupeguwuro.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/73768917897.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_off00006f6a.bin2790d239985d552233368b29f307156b3d1a35a7857e7d8662bc7d99c8ac305c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F6A | 9152 bytes |
font_01_sfnt_off00008e64.binc8e149c8a9fd65cf576d337a19e5694b5cbc864ef8452850df1037669cfe09b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E64 | 5208 bytes |
font_02_sfnt_off0000a036.bin7d3feb7e0ad22dfa6f50389c2b764a99690a05a563f1a6cdfdc7365f6e109ca2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA036 | 12656 bytes |
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