MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with a critical heuristic identifying it as a link farm pointing to a malicious redirector. The document body, though partially corrupted, contains text suggesting it is a 'study guide' lure, and the primary URL points to a redirector that likely serves malicious content. No scripts were extracted, but the presence of many external links and the malicious redirector strongly suggests a phishing or malware distribution attempt.
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=best+asvab+study+guide+for+navy
- http://files.moonbouncerentals.net/uploads/1/3/0/9/130969305/lupugufogoja.pdf
- http://files.yggllwyncelyn.cymru/uploads/1/3/1/4/131453365/1764739.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0454/0868/2152/files/85255115965.pdf
- https://cdn.shopify.com/s/files/1/0431/2684/9700/files/advantages_of_internet_in_business.pdf
- https://cdn.shopify.com/s/files/1/0436/8341/4169/files/kosagezeli.pdf
- https://cdn.shopify.com/s/files/1/0433/2286/7880/files/94926173947.pdf
- https://cdn.shopify.com/s/files/1/0428/9950/5311/files/investigative_consumer_reporting_agencies_act_california.pdf
- https://cdn.shopify.com/s/files/1/0437/4839/3112/files/tv_listings_san_jose.pdf
- https://cdn.shopify.com/s/files/1/0436/1378/2178/files/20028419229.pdf
- https://cdn.shopify.com/s/files/1/0430/5548/0981/files/against_all_odds_book.pdf
- https://cdn.shopify.com/s/files/1/0427/6014/3014/files/93805778744.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
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005d10.bin02a4e446a2da3c935e9a82f0d9f9ea50e1a6ddfb430b98f2e9e4c4467dd0c68b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D10 | 5392 bytes |
font_01_sfnt_off00006f80.bin0cfa434104735ee55051f7ff570527587fb4dc223ca54fb2772d39116d3a5156 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F80 | 10396 bytes |
font_02_sfnt_off00009346.bine9fe716c2abc985b12a899a49d5539e4e8be1b56d50c083b30290d85a2a7c848 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9346 | 16092 bytes |
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