MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one identified as a malicious redirector pointing to 'ttraff.com'. The document body, though heavily obfuscated, includes text related to 'bad ideas about writing pdf' and references to wkhtmltopdf, suggesting a lure to disguise malicious content. The presence of a link farm with 24 external PDF links, including one to 'cdn.shopify.com', further supports a deceptive content delivery strategy. The ML classifier strongly flagged this PDF as malicious.
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/wix?keyword=bad+ideas+about+writing+pdf
- https://cdn.shopify.com/s/files/1/0428/8777/4374/files/full_form_of_all_network_protocols.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/13977314479.pdf
- https://cdn.shopify.com/s/files/1/0436/9675/0742/files/adenocarcinoma_de_pancreas.pdf
- https://static.usrfiles.com/ugd/0aab01_3dbb11c3a46f42be8018f9ef6c1dd465.pdf
- https://cdn.shopify.com/s/files/1/0433/9033/7189/files/automotive_labor_times_guide.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/51220099535.pdf
- https://cdn.shopify.com/s/files/1/0427/9474/6023/files/hash_functions_in_cryptography.pdf
- https://cdn.shopify.com/s/files/1/0433/4062/8136/files/67944800732.pdf
- https://cdn.shopify.com/s/files/1/0430/8205/5829/files/bm_sharma_physics_jee_main.pdf
- https://static.usrfiles.com/ugd/b8c837_0b872d4978ec428f9c84fd9f251eb11b.pdf
- https://static.usrfiles.com/ugd/b65acf_b810898d16fd4a108f3036c91549fe7a.pdf
- https://static.usrfiles.com/ugd/e33828_d4735876d8c4409fade97ed063c020fe.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_off00006a6c.bin8edd28f6497f8b601cf66f5c673019a14e937a385b8b98e17b56237864fe2c97 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A6C | 5456 bytes |
font_01_sfnt_off00007d18.bine8dcd3af4fc886073be3c9579200982422b5f828cea67c50ff85728013978d7c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D18 | 10412 bytes |
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