MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a prominent link to 'ttraff.com', identified as a malicious redirector. The document body, though partially garbled, includes text related to 'Infection control practices and guidelines', suggesting a lure to trick users into clicking the malicious link. The PDF also contains a large number of links to Shopify-hosted PDFs, likely part of a link farm to improve search engine ranking and disguise malicious activity. No scripts were extracted, but the primary attack vector is the embedded malicious URL.
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.com/pify?keyword=infection+control+practices+and+guidelines
- http://files.maartenderidder.com/uploads/1/3/1/3/131384573/270d872fa0d6.pdf
- http://muzimot.dentalelle.com/uploads/1/3/0/8/130814328/85c68336b7.pdf
- https://cdn.shopify.com/s/files/1/0430/0685/3269/files/optional_attendance_form_tdsb_2020.pdf
- https://cdn.shopify.com/s/files/1/0460/7138/2180/files/polusakusifarerugemomarex.pdf
- https://cdn.shopify.com/s/files/1/0457/7938/6534/files/vekenorijidivugewazorosi.pdf
- https://cdn.shopify.com/s/files/1/0434/9899/5864/files/13828805456.pdf
- https://cdn.shopify.com/s/files/1/0447/1400/0538/files/someone_to_trust_mary_balogh.pdf
- https://cdn.shopify.com/s/files/1/0440/6942/1206/files/zepimedodusefuji.pdf
- https://cdn.shopify.com/s/files/1/0431/8491/4583/files/86642926929.pdf
- https://cdn.shopify.com/s/files/1/0434/6393/4109/files/76314293869.pdf
- https://cdn.shopify.com/s/files/1/0427/9386/1279/files/pipefitter_blue_book.pdf
- https://cdn.shopify.com/s/files/1/0431/0204/4316/files/56997866296.pdf
- https://cdn.shopify.com/s/files/1/0438/4351/8629/files/86694048007.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_off00007198.bin270a172e2fcb8c14e771755d5c09e79689c4ec12bfb4db6936fa3de72f125e2a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7198 | 5260 bytes |
font_01_sfnt_off00008376.bin33d6eddf19e7963e130be871809240e23aaed5ba7d676c6a9546e4049300b5ee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8376 | 10088 bytes |
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