MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of embedded URLs, many of which are linked to a "link farm" strategy, suggesting SEO manipulation or a phishing lure. The primary malicious URL identified is https://ttraff.cc/wb?keyword=best%20stories%20to%20read%20pdf, which is flagged as a malicious redirector. The document body, though heavily obfuscated, also contains this URL, indicating an attempt to drive traffic to malicious infrastructure.
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=best%20stories%20to%20read%20pdf
- http://files.zebravolleyball.com/uploads/1/3/1/4/131407045/91ee06ffb90.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/2154/1274/files/nowivurawilijeduzofotuk.pdf
- https://cdn.shopify.com/s/files/1/0446/7264/7331/files/blank_map_of_east_asia.pdf
- https://cdn.shopify.com/s/files/1/0433/6674/4216/files/5099102337.pdf
- https://cdn.shopify.com/s/files/1/0429/8548/8543/files/ziwukeledolufowimudeb.pdf
- https://cdn.shopify.com/s/files/1/0437/5658/5114/files/kukar.pdf
- https://cdn.shopify.com/s/files/1/0432/3157/6231/files/manual_sql_server_management_studio_2020.pdf
- https://cdn.shopify.com/s/files/1/0433/7257/6922/files/1617040307.pdf
- https://cdn.shopify.com/s/files/1/0433/6399/1717/files/pukosevisudijasolule.pdf
- https://cdn.shopify.com/s/files/1/0430/5161/4359/files/guninotogem.pdf
- https://cdn.shopify.com/s/files/1/0434/4355/2416/files/abbyy_transformer_12_crack.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_off00005f47.bin62a99f369259137fcd1d45d105e6ebf02941ba816086c6ed1730a8507cb9e1a0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F47 | 5052 bytes |
font_01_sfnt_off00007089.binb48c8becfcdd19e4740da820037e5efa9fe2573b4c65e5e22f9ba567cc709d88 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7089 | 9980 bytes |
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