MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.ru/pify?keyword=cannot+annotate+pdf+in+evernote'. The document body, though heavily obfuscated, contains text fragments related to PDF annotation and the tool wkhtmltopdf, suggesting a lure. The presence of a large number of embedded links, many hosted on Shopify, indicates a link farm designed to obscure the malicious redirector.
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.ru/pify?keyword=cannot+annotate+pdf+in+evernote
- http://birerod.cantoncommunityfund.org/uploads/1/3/0/7/130776088/kofapixivekuzik_zajakilaranuw_fikitiwawanik.pdf
- http://files.elderjacknielsen.com/uploads/1/3/2/6/132681066/1162302.pdf
- http://files.escher2hands.com/uploads/1/3/1/4/131436981/5280012.pdf
- http://files.bikini-baristas.com/uploads/1/3/1/3/131378990/5623534.pdf
- http://files.anatatyaneri.com/uploads/1/3/1/4/131436978/siratujaxug.pdf
- https://cdn.shopify.com/s/files/1/0436/8151/3622/files/zivefaxo.pdf
- https://cdn.shopify.com/s/files/1/0428/0709/9558/files/34278286612.pdf
- https://cdn.shopify.com/s/files/1/0430/1769/9477/files/kexavelumejex.pdf
- https://cdn.shopify.com/s/files/1/0427/9923/5228/files/6095511925.pdf
- https://cdn.shopify.com/s/files/1/0428/1637/2892/files/kosexaralunajewakebagi.pdf
- https://cdn.shopify.com/s/files/1/0430/4519/1841/files/daragigawi.pdf
- https://cdn.shopify.com/s/files/1/0437/2021/2635/files/zafakemufoximurubesome.pdf
- https://cdn.shopify.com/s/files/1/0428/0382/2755/files/7981660119.pdf
- https://cdn.shopify.com/s/files/1/0432/7853/2758/files/human_body_parts_name_with_picture_in_gujarati.pdf
- https://cdn.shopify.com/s/files/1/0435/2750/4024/files/dikadegasudalodagigob.pdf
- https://cdn.shopify.com/s/files/1/0428/9026/4742/files/carcinoma_de_celulas_escamosas_en_animales.pdf
- https://cdn.shopify.com/s/files/1/0435/9107/3947/files/62097070794.pdf
- https://cdn.shopify.com/s/files/1/0429/1185/8855/files/mudopobetaboxebezeledopa.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_off00006ee0.bin7172de1a6353a07d8d7a934b58ffea9ee3aeb5e0c45ff0d0f50e120c027e9b13 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EE0 | 4696 bytes |
font_01_sfnt_off00007eee.binee94aba5314f4ed43a193c980ec0c4f1462e9aeb435af865c1d6331746ba6197 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7EEE | 10048 bytes |
font_02_sfnt_off0000a146.binb50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA146 | 4324 bytes |
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