MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to SEO-optimized PDF files hosted on various domains, including cdn.shopify.com. One critical heuristic identified a link to a known malicious redirector at 'ttraff.com'. The ML classifier also strongly indicated maliciousness. The document body appears to be obfuscated or corrupted, preventing a clear understanding of its direct lure, but the link farm and redirector strongly suggest a phishing or malware distribution attempt.
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=birdlike+freddie+hubbard+pdf
- http://files.liatelbling.com/uploads/1/3/2/6/132682639/puzam_pewedod.pdf
- http://files.frankpaur.com/uploads/1/3/0/8/130874139/gulorerijolen-relulawazol.pdf
- http://files.nedlerpalaz.com/uploads/1/3/1/4/131454692/gesavar.pdf
- http://files.bobericphotography.com/uploads/1/3/1/3/131398473/wiwolorirenanavig.pdf
- http://files.darkrisingseries.com/uploads/1/3/0/7/130739233/2182702.pdf
- https://cdn.shopify.com/s/files/1/0431/9805/4558/files/derero.pdf
- https://cdn.shopify.com/s/files/1/0428/7981/1750/files/puzatanowurutewezar.pdf
- https://cdn.shopify.com/s/files/1/0431/4795/2292/files/71279196161.pdf
- https://cdn.shopify.com/s/files/1/0433/9469/5329/files/59108617731.pdf
- https://cdn.shopify.com/s/files/1/0428/4196/4710/files/47698857111.pdf
- https://cdn.shopify.com/s/files/1/0428/4727/3116/files/63799996123.pdf
- https://cdn.shopify.com/s/files/1/0437/2656/9633/files/50951419367.pdf
- https://cdn.shopify.com/s/files/1/0429/6641/7571/files/65216066893.pdf
- https://cdn.shopify.com/s/files/1/0427/7541/2902/files/27048324408.pdf
- https://cdn.shopify.com/s/files/1/0438/9647/1707/files/pilob.pdf
- https://cdn.shopify.com/s/files/1/0438/5452/8677/files/24633679908.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_off000082a4.binb2bfd4f3495fb20db60dcf759359d5aa3199faccf976885e8679ef53d0a40380 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82A4 | 4788 bytes |
font_01_sfnt_off000092ec.bin0afd19750fb5ce90bb867800d3d175194f1ef77b7aaa2945d04fd6be2e768620 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x92EC | 15020 bytes |
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