MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a high number of embedded links, many of which point to a link farm hosted on cdn.shopify.com, and one critical link to a known malicious redirector at ttraff.com. The document body, though heavily obfuscated, contains the malicious URL, suggesting a lure to trick users into clicking the link. The ML classifier also strongly indicated maliciousness.
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=act+set+up
- http://files.acweinschenk.net/uploads/1/3/0/7/130775108/zurelaxakikakuk.pdf
- http://files.karmanlee.com/uploads/1/3/0/7/130739892/caf1ed.pdf
- http://files.house-removals-surrey.info/uploads/1/3/0/7/130776757/lodavosefipepaw.pdf
- https://cdn.shopify.com/s/files/1/0439/0263/2104/files/4th_grade_math_vocabulary_cards_pdf.pdf
- https://cdn.shopify.com/s/files/1/0430/0367/4785/files/xaravosafeliker.pdf
- https://cdn.shopify.com/s/files/1/0440/8747/6389/files/dovoxetigodiruwowudaja.pdf
- https://cdn.shopify.com/s/files/1/0432/4386/4224/files/jane_fineberg_busy_philipps.pdf
- https://cdn.shopify.com/s/files/1/0431/3009/3728/files/53041646752.pdf
- https://cdn.shopify.com/s/files/1/0431/6577/8076/files/16882505331.pdf
- https://cdn.shopify.com/s/files/1/0430/7789/4293/files/97256164988.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/57955619809.pdf
- https://cdn.shopify.com/s/files/1/0437/9446/4929/files/57474446730.pdf
- https://cdn.shopify.com/s/files/1/0430/7540/3929/files/worapa.pdf
- https://cdn.shopify.com/s/files/1/0432/7433/8472/files/xitojijagetufiwi.pdf
- https://cdn.shopify.com/s/files/1/0428/5346/6271/files/fotalufimoxo.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_off00006f99.bin93922c487bd00929d0fe957faba704c4ade5cbf499a81d1e9a3408c5037a0150 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F99 | 4576 bytes |
font_01_sfnt_off00007f4a.bin78ffb2f4281f8db78d416a892509a88dfdc66d5b10aec01e89f5c1e7a7aea41d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F4A | 10316 bytes |
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