MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded links, with one identified as a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains references to URLs that are part of a link farm hosted on Shopify. This suggests the primary purpose is to distribute traffic to potentially malicious sites, likely for SEO spam or phishing.
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=synonym+for+write
- http://files.drewbdavidoff.com/uploads/1/3/2/6/132681951/a63c5.pdf
- http://files.transactionbankingacademy.com/uploads/1/3/1/6/131607075/9288390.pdf
- http://files.heavitreesquilometre.org/uploads/1/3/1/3/131398253/vefix-kufodapuma-sekakulokoki-biwemozubez.pdf
- http://files.tiffinindia.ca/uploads/1/3/1/4/131452858/1252758.pdf
- http://wimazav.browndogbiking.com/uploads/1/3/1/3/131383284/d2bb4.pdf
- https://cdn.shopify.com/s/files/1/0431/9569/5266/files/tuzewifusowivogitiw.pdf
- https://cdn.shopify.com/s/files/1/0432/4311/0564/files/xss_filter_java.pdf
- https://cdn.shopify.com/s/files/1/0432/9812/8036/files/zazexirabejuzux.pdf
- https://cdn.shopify.com/s/files/1/0433/8037/5704/files/75487953376.pdf
- https://cdn.shopify.com/s/files/1/0428/2286/0956/files/jaxusoxojom.pdf
- https://cdn.shopify.com/s/files/1/0437/6789/0069/files/32159635654.pdf
- https://cdn.shopify.com/s/files/1/0429/9161/6153/files/marijamezixozipomirojobu.pdf
- https://cdn.shopify.com/s/files/1/0428/1391/5303/files/59521924556.pdf
- https://cdn.shopify.com/s/files/1/0428/0467/4727/files/36530780283.pdf
- https://cdn.shopify.com/s/files/1/0430/5040/1945/files/7310020202.pdf
- https://cdn.shopify.com/s/files/1/0432/0008/6180/files/guzabuvanotu.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_off00005b5f.bin85a80c86fd6f2e8e421fe1b15802db886ba14a5925fccda4e3b092658869d9f2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B5F | 4788 bytes |
font_01_sfnt_off00006bb1.binf6e95d98826c430d68cc9b4562624955873482417ae5c9868f1699193a3225cd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BB1 | 10368 bytes |
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