MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link disguised as a worksheet, which redirects to a known malicious redirector. The PDF also hosts a large number of external links, many pointing to Shopify, suggesting a link farm or SEO abuse tactic. The ML classifier strongly indicated maliciousness. The primary malicious IOC is the redirector URL.
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=predicate+adjective+worksheet+6th+grade
- http://files.wallsofwondersaddlebrooke.com/uploads/1/3/1/3/131380467/41856e48f4713.pdf
- http://files.highpeaksadventureco.com/uploads/1/3/0/8/130874009/torifefar.pdf
- http://files.farmpedals.com/uploads/1/3/2/6/132682076/cda7935315c.pdf
- https://cdn.shopify.com/s/files/1/0437/0766/2504/files/the_roman_catholic_bible.pdf
- https://cdn.shopify.com/s/files/1/0429/1615/1455/files/pesinotomamufelewi.pdf
- https://cdn.shopify.com/s/files/1/0435/9582/5314/files/dewur.pdf
- https://cdn.shopify.com/s/files/1/0435/3730/1653/files/ppt_to_jpg.pdf
- https://cdn.shopify.com/s/files/1/0433/4970/4854/files/15595219041.pdf
- https://cdn.shopify.com/s/files/1/0437/0530/3205/files/56546036681.pdf
- https://cdn.shopify.com/s/files/1/0439/2543/8619/files/bsc_1st_year_maths_book_solution.pdf
- https://cdn.shopify.com/s/files/1/0430/5590/6967/files/savogewevuwu.pdf
- https://cdn.shopify.com/s/files/1/0432/6899/7286/files/nutajudipemisikuj.pdf
- https://cdn.shopify.com/s/files/1/0427/8665/2316/files/2402701829.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_off00004457.bincad8423299a3398c4017ebca1d49de486b0e62f53cf3c1fae2101d2a80402a7a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4457 | 5616 bytes |
font_01_sfnt_off0000577e.bin84deee3425f28490602167fb3b8165f454aee216e2001d4fe25ecc1f44583b6a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x577E | 9648 bytes |
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