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, pointing to 'ttraff.cc'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs, many hosted on Shopify. The ML classifier also strongly indicated maliciousness. The primary attack vector appears to be luring the user to a malicious site via the redirector, likely for phishing or malware delivery.
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=kampa+groundsheet+pegs
- http://files.stutteringacademy.com/uploads/1/3/1/3/131380892/4928ff5e5.pdf
- http://files.nvarealestateresource.com/uploads/1/3/0/7/130738823/5a54a45142.pdf
- https://cdn.shopify.com/s/files/1/0430/7841/8583/files/72537625703.pdf
- https://cdn.shopify.com/s/files/1/0427/5830/8006/files/50777989130.pdf
- https://cdn.shopify.com/s/files/1/0432/9691/5621/files/michigan_dnr_hunting_guide_2018.pdf
- https://cdn.shopify.com/s/files/1/0435/8520/8483/files/ios236_installer_v8.pdf
- https://cdn.shopify.com/s/files/1/0433/9712/0154/files/2608635861.pdf
- https://cdn.shopify.com/s/files/1/0433/6753/0657/files/xelojaw.pdf
- https://cdn.shopify.com/s/files/1/0437/3243/5093/files/geometric_design_of_highway_download.pdf
- https://cdn.shopify.com/s/files/1/0434/2572/6625/files/brachial_plexus_injury_rehabilitation.pdf
- https://cdn.shopify.com/s/files/1/0434/5649/5783/files/velaxu.pdf
- https://cdn.shopify.com/s/files/1/0430/9614/6073/files/vexev.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/42539854631.pdf
- https://cdn.shopify.com/s/files/1/0436/5985/3977/files/wijobevodutivivoj.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000431a.binced76f83a4bd0220083fc9e88c06617ff5b26e7ec672c345be1a823d8a2e97a1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x431A | 4016 bytes |
font_01_sfnt_off0000516a.bin32c0ab0941b9ae02f62428d6dc549be732b00141e6c831c9643afa751d7d0871 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x516A | 5312 bytes |
font_02_sfnt_off00006350.bin49b28d3aebf5fa49979ff0f994982e718f146a620508146825375c13f30ce31c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6350 | 9256 bytes |
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