MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link farm designed to redirect users to malicious infrastructure, specifically identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains the URL https://ttraff.cc/wb?keyword=chevrolet%20captiva%202013%20brochure%20pdf, which is a primary indicator of this attack. The presence of numerous other PDF links suggests a coordinated effort to distribute 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/wb?keyword=chevrolet%20captiva%202013%20brochure%20pdf
- http://files.dukewesley.org/uploads/1/3/1/4/131453861/sebazodebo.pdf
- http://files.moellermasel.com/uploads/1/3/1/4/131482907/lakazigu-nagonobajasoti.pdf
- http://files.whatthefluffstore.com/uploads/1/3/2/8/132815206/9dba4b074.pdf
- http://files.montgomerychurch.com.au/uploads/1/3/1/8/131857544/gerubepe_kudeliraji_mifegovisijag.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0438/5678/9664/files/72777355758.pdf
- https://cdn.shopify.com/s/files/1/0440/4995/7029/files/17769004179.pdf
- https://cdn.shopify.com/s/files/1/0434/8359/4909/files/rinidiwuvovozeg.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vekedexixerokasadoboma.pdf
- https://cdn.shopify.com/s/files/1/0435/2750/4024/files/php_display_images.pdf
- https://cdn.shopify.com/s/files/1/0430/3791/7333/files/30413860837.pdf
- https://cdn.shopify.com/s/files/1/0430/4922/2298/files/menoke.pdf
- https://cdn.shopify.com/s/files/1/0431/7623/1063/files/numinetaniteremigufogi.pdf
- https://cdn.shopify.com/s/files/1/0434/2562/8316/files/lyrics_to_little_einsteins.pdf
- https://cdn.shopify.com/s/files/1/0438/1566/5826/files/livirobujokafututorobuw.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/90262961418.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006589.bine2455996c9282e17c6cdcce6b9b848c62dc57b335f38de7d1e3531456fa1db99 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6589 | 5660 bytes |
font_01_sfnt_off000078c8.bin2bac09958e3243cbdea56a89e59745904d049afc73a0b7d8434fb88dc08c655e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78C8 | 11008 bytes |
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