MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded URLs, a technique often used in SEO link farms to manipulate search engine rankings or to hide malicious links among many benign ones. One of the embedded URLs, 'https://ttraff.ru/pify?keyword=flaws+and+all+sheet+music', is flagged as a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the same malicious URL and several benign Shopify URLs, suggesting a deliberate attempt to disguise the malicious intent.
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=flaws+and+all+sheet+music
- http://dibaku.hannahbroderphoto.com/uploads/1/3/2/6/132696021/ad8429af27931e7.pdf
- https://cdn.shopify.com/s/files/1/0430/3536/1442/files/30657203297.pdf
- https://cdn.shopify.com/s/files/1/0427/9736/7452/files/12868287260.pdf
- https://cdn.shopify.com/s/files/1/0439/0620/3803/files/storyboarding_basics.pdf
- https://cdn.shopify.com/s/files/1/0430/2431/8618/files/adnoc_general_salary.pdf
- https://cdn.shopify.com/s/files/1/0434/6881/6544/files/83435505317.pdf
- https://cdn.shopify.com/s/files/1/0465/0257/6286/files/41977834570.pdf
- https://cdn.shopify.com/s/files/1/0430/6989/8913/files/zitasitif.pdf
- https://cdn.shopify.com/s/files/1/0438/5059/6512/files/comfort_zone_infrared_heater_user_manual.pdf
- https://cdn.shopify.com/s/files/1/0433/2758/6472/files/camera_scanner_to_full_apk.pdf
- https://cdn.shopify.com/s/files/1/0431/4788/6743/files/19637400.pdf
- https://cdn.shopify.com/s/files/1/0459/9011/7543/files/sort_arraylist_alphabetically_in_android.pdf
- https://cdn.shopify.com/s/files/1/0449/9944/2590/files/sovonivenukekamuxol.pdf
- https://cdn.shopify.com/s/files/1/0437/6703/8106/files/gente_toxica_bernardo_stamateas_espaol.pdf
- https://cdn.shopify.com/s/files/1/0432/2571/0756/files/68803777805.pdf
- https://cdn.shopify.com/s/files/1/0431/0161/8330/files/jodepogepagesobi.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_off0000535c.bine0fb7b7fda9c5915caf287ca8ba16a4a9efb5f088a8597fb9d7934328486e50b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x535C | 5132 bytes |
font_01_sfnt_off000064b2.bina87e043644616c751f300486b5d1d4ec4915fe2b3170ed581bc4b49834372ef5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64B2 | 10100 bytes |
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