MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector. The primary malicious URL, 'https://ttraff.ru/pify?keyword=first+aid+training+guide+vanilla', is presented as part of the document's content, suggesting a lure to a malicious site. The presence of a large number of external PDF links, many hosted on Shopify, indicates a link farm strategy to potentially improve search engine ranking for malicious content or to distribute further payloads.
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.ru/pify?keyword=first+aid+training+guide+vanilla
- http://files.ryanmuddiman.com/uploads/1/3/1/8/131856173/6627214.pdf
- https://cdn.shopify.com/s/files/1/0431/4136/5922/files/batavitujub.pdf
- https://cdn.shopify.com/s/files/1/0433/0350/1989/files/wujizijopitigolu.pdf
- https://cdn.shopify.com/s/files/1/0427/9622/0572/files/tswana_culture_and_traditions.pdf
- https://cdn.shopify.com/s/files/1/0438/3883/2800/files/91287832780.pdf
- https://cdn.shopify.com/s/files/1/0439/1688/6184/files/gta_5_doomsday_heist_hacking_guide.pdf
- https://cdn.shopify.com/s/files/1/0427/9812/1119/files/kiganizazifitexonezuxeba.pdf
- https://cdn.shopify.com/s/files/1/0433/4957/3784/files/jolinimuzumufif.pdf
- https://cdn.shopify.com/s/files/1/0447/7173/7749/files/calendrio_2020_365.pdf
- https://cdn.shopify.com/s/files/1/0432/4360/2080/files/best_book_for_data_structures_and_algorithms_in_java.pdf
- https://cdn.shopify.com/s/files/1/0431/3815/4650/files/vigesopen.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_off000073b5.bin2d97f8edb1b3b8fd7d4d1100e0598202f562815ff2f88c2508d3eb5ca8cd795d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73B5 | 5008 bytes |
font_01_sfnt_off000084c8.bin29b0e4e4d2c6a514df305ae9229b940356185492cf4ed286508ccebb30a4311d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x84C8 | 10420 bytes |
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