MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link to a known malicious redirector, ttraff.cc, which is disguised with a keyword related to document conversion. The document body, though heavily obfuscated, appears to contain metadata related to wkhtmltopdf and document conversion, reinforcing the lure. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm or SEO manipulation tactic to distribute the malicious content.
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=convertir+un+documento+de+pdf+a+word+gratis+en+espa%25C3%25B1ol
- http://files.adultedresources.com/uploads/1/3/1/6/131606127/9b158.pdf
- http://files.alanbirtwistle.com/uploads/1/3/1/3/131383664/werox_xapedewero_bemidituziv_zurer.pdf
- http://files.lecheminantbooks.com/uploads/1/3/1/3/131380558/zagezefuxatojeraz.pdf
- http://files.erinzak.com/uploads/1/3/0/7/130776795/286633.pdf
- https://cdn.shopify.com/s/files/1/0437/3191/0810/files/26639647668.pdf
- https://cdn.shopify.com/s/files/1/0434/7222/4421/files/89640626204.pdf
- https://cdn.shopify.com/s/files/1/0437/0163/3177/files/tizodezuxulaxarukotiba.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/66541571973.pdf
- https://cdn.shopify.com/s/files/1/0428/0591/9903/files/23474898697.pdf
- https://cdn.shopify.com/s/files/1/0437/8217/6920/files/28832887880.pdf
- https://cdn.shopify.com/s/files/1/0427/6636/8935/files/78983246474.pdf
- https://cdn.shopify.com/s/files/1/0428/0749/2775/files/67135950017.pdf
- https://cdn.shopify.com/s/files/1/0428/7227/5103/files/17270993363.pdf
- https://cdn.shopify.com/s/files/1/0431/8943/6580/files/letolutipupugewurejafi.pdf
- https://cdn.shopify.com/s/files/1/0430/4827/2023/files/widugaxeviragila.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_off00005763.bina318e2017d0868757500f3094e0519f0c3b763958c73a86c19916ff29a049bdf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5763 | 5744 bytes |
font_01_sfnt_off00006ab0.binaf3990746d2b65c8ebde377e9ddb0ce35060ee5a860a606f4de900fb31191209 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AB0 | 10536 bytes |
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