MALICIOUS
152
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 a link farm hosted on Shopify. One of these links, ttraff.ru, is identified as a malicious redirector. The ML classifier also strongly indicated maliciousness. The document body appears to be obfuscated or corrupted text, but the presence of URLs and the heuristic firings strongly suggest a phishing or redirection attack.
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=cerf+volant+les+choristes+partition+pdf
- http://files.hamabe-dojo.com/uploads/1/3/1/6/131636956/6085307.pdf
- http://files.elementalretreatmassage.com/uploads/1/3/1/4/131407734/9639134.pdf
- http://files.christinenobleseller.com/uploads/1/3/1/4/131437149/xowuvagalefup.pdf
- http://files.redriverobedience.org/uploads/1/3/1/4/131437987/d7a458f3a.pdf
- https://cdn.shopify.com/s/files/1/0439/2720/8091/files/ff14_act_plugin.pdf
- https://cdn.shopify.com/s/files/1/0430/5040/1943/files/dufufipameludivusebusad.pdf
- https://cdn.shopify.com/s/files/1/0434/8674/0646/files/pepabu.pdf
- https://cdn.shopify.com/s/files/1/0432/2341/6995/files/sewabulaje.pdf
- https://cdn.shopify.com/s/files/1/0432/1335/7214/files/pujafimebowaluzezedes.pdf
- https://cdn.shopify.com/s/files/1/0431/4890/2554/files/47273638590.pdf
- https://cdn.shopify.com/s/files/1/0437/5465/1799/files/96820711851.pdf
- https://cdn.shopify.com/s/files/1/0431/0473/1300/files/labapux.pdf
- https://cdn.shopify.com/s/files/1/0430/7789/4293/files/fefax.pdf
- https://cdn.shopify.com/s/files/1/0437/3915/2535/files/lojuparasijatozire.pdf
- https://cdn.shopify.com/s/files/1/0430/8166/2628/files/pimivale.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/juxumadebamapetutorobegew.pdf
- https://cdn.shopify.com/s/files/1/0429/2821/0073/files/90895931128.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_off00005aad.bin9b37f6064c044894700521980af228e08c571401d420b73e9816130445ab6a80 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5AAD | 5208 bytes |
font_01_sfnt_off00006c5a.bin732a162722475845f7342ee4b7464276479baa755856b2d21d37d15e482a4a05 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C5A | 16280 bytes |
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