MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged by a critical heuristic for linking to known malicious redirector infrastructure and also for containing a large number of external PDF links, suggesting a link farm. The ML classifier also strongly indicated maliciousness. The primary malicious IOC is the ttraff.ru redirector, which likely leads to a phishing or malware delivery site. The document body contains garbled text but also includes the malicious URL and several Shopify-hosted PDF links.
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=meralgia+paresthetica+exercises+stre
- http://files.bodyrevolutiononline.com/uploads/1/3/0/7/130738859/8740811.pdf
- http://files.jhaytersmilestudio.co.uk/uploads/1/3/1/4/131437363/b14096ff9cd13.pdf
- http://files.breezypointdermatology.com/uploads/1/3/1/6/131637271/3431406.pdf
- https://cdn.shopify.com/s/files/1/0431/4837/8280/files/89007394916.pdf
- https://cdn.shopify.com/s/files/1/0431/5562/0006/files/bootstrap_3_contact_form_template.pdf
- https://cdn.shopify.com/s/files/1/0428/9645/7884/files/xesenutozin.pdf
- https://cdn.shopify.com/s/files/1/0432/0601/7185/files/98116323790.pdf
- https://cdn.shopify.com/s/files/1/0439/8877/9166/files/xunuvavutozodijenadisapuk.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/5578033559.pdf
- https://cdn.shopify.com/s/files/1/0432/1266/9089/files/zuzegelokaka.pdf
- https://cdn.shopify.com/s/files/1/0432/0670/5311/files/c_programming_language_algorithm.pdf
- https://cdn.shopify.com/s/files/1/0436/1581/3795/files/mibonufalosado.pdf
- https://cdn.shopify.com/s/files/1/0438/1615/7344/files/nuzilivod.pdf
- https://cdn.shopify.com/s/files/1/0462/9174/6977/files/windows_10_notify_to_updates.pdf
- https://cdn.shopify.com/s/files/1/0437/2951/8741/files/manexofapefunirapi.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_off00007f9c.bin700d1a39e1300fd43ab1d12e9c7a1c7dcbec4e46fc4426ada646bd6413430dbd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F9C | 5268 bytes |
font_01_sfnt_off0000918a.binec7bb4d164faf15906ed931143032bd563bf02a3cc22cf62a65bb669e0f5024e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x918A | 10192 bytes |
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