MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.cc'. The document body, though partially corrupted, includes text related to 'Canada business corporations act form 4' and the wkhtmltopdf application, suggesting a lure. The presence of numerous embedded URLs, including the malicious redirector and a large number of Shopify-hosted PDFs, indicates a link farm or distribution mechanism. The ML classifier also 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.cc/pify?keyword=canada+business+corporations+act+form+4
- http://files.seattlepregnancymassage.com/uploads/1/3/1/4/131453605/b55638751.pdf
- http://files.margarettellis.com/uploads/1/3/1/8/131858592/5312341.pdf
- http://files.dreamcatcherassociation.com/uploads/1/3/1/3/131384127/ladabor-foxopu-xevezu.pdf
- https://cdn.shopify.com/s/files/1/0437/1863/9765/files/71363785151.pdf
- https://cdn.shopify.com/s/files/1/0433/1618/3205/files/68577499556.pdf
- https://cdn.shopify.com/s/files/1/0430/9988/1639/files/jobufisasatewafiz.pdf
- https://cdn.shopify.com/s/files/1/0429/3486/1987/files/56801290771.pdf
- https://cdn.shopify.com/s/files/1/0439/2691/3179/files/blender_select_all.pdf
- https://cdn.shopify.com/s/files/1/0431/5034/4352/files/baumer_ch_8501.pdf
- https://cdn.shopify.com/s/files/1/0430/8919/9268/files/tupivolomiwidotosumetuw.pdf
- https://cdn.shopify.com/s/files/1/0431/6869/4432/files/21320293195.pdf
- https://cdn.shopify.com/s/files/1/0432/0028/2785/files/database_concepts_6th_edition_kroenke.pdf
- https://cdn.shopify.com/s/files/1/0430/8333/3785/files/kapedekurebazoxinilokut.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/79086372433.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_off00008e6b.bin3b807e95600b9724bc8ba8f4fc812a6c47520209ac279563e1f1e3773ee40616 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E6B | 5400 bytes |
font_01_sfnt_off0000a0ae.bin73a5018ed0efa7898396ca4e7448e3dd7f2d3db3213bffd15b3da3baa2499d74 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA0AE | 14296 bytes |
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