MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many pointing to Shopify domains, but also includes a critical link to a known malicious redirector at 'ttraff.ru'. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' confirms this. The document body, though heavily obfuscated, contains the target URL, suggesting a lure to a malicious site. The ML classifier also strongly flagged this PDF as malicious.
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/wb?keyword=ledger%20lines%20worksheet%20pdf
- http://files.stpaulofthecrosslamirada.org/uploads/1/3/2/7/132741029/8136950.pdf
- http://xomebewa.thepeaceseekers-persian.com/uploads/1/3/1/1/131164132/3374887.pdf
- http://files.firecrafted.com/uploads/1/3/1/3/131383386/ragulawibox.pdf
- https://cdn.shopify.com/s/files/1/0431/6761/3087/files/cancionero_liturgico_nacional_gratis.pdf
- https://cdn.shopify.com/s/files/1/0429/9754/7157/files/8297393561.pdf
- https://cdn.shopify.com/s/files/1/0428/3446/0828/files/79301345550.pdf
- https://cdn.shopify.com/s/files/1/0438/1674/7170/files/john_deere_165_hydro_manual.pdf
- https://cdn.shopify.com/s/files/1/0428/2230/3911/files/stay_trippy_torrent.pdf
- https://cdn.shopify.com/s/files/1/0430/0469/0581/files/31512281900.pdf
- https://cdn.shopify.com/s/files/1/0431/4189/0208/files/xutevirid.pdf
- https://cdn.shopify.com/s/files/1/0431/7665/7051/files/51449874748.pdf
- https://cdn.shopify.com/s/files/1/0435/8651/9195/files/85996659611.pdf
- https://cdn.shopify.com/s/files/1/0435/4496/9367/files/49924882715.pdf
- https://cdn.shopify.com/s/files/1/0429/9541/7237/files/castrol_magnatec_professional_c2_5w_30.pdf
- https://cdn.shopify.com/s/files/1/0433/7192/1571/files/90102961784.pdf
- https://cdn.shopify.com/s/files/1/0430/6190/3517/files/vonebekivotoliwidafemazek.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_off00005cf2.binbb692cbc7a41bc1498e1632ad79a2fd0632273b7ab15867f8f50455a22e4b28b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CF2 | 5192 bytes |
font_01_sfnt_off00006eaf.binc9da9919a2afb14a7955311d3664f460231901efe394d877c1d8747df7a0ad96 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EAF | 10592 bytes |
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