MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass external link farm, with a primary URL pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the same malicious URL and several benign-looking Shopify URLs, suggesting a lure to a malicious site. The ML classifier strongly flagged this PDF as malicious. No scripts were extracted, but the presence of a malicious redirector indicates an attempt to lead the user to a compromised site for further exploitation or phishing.
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=bayesian+methods+for+data+analysis+carlin+pdf
- http://jagaguxe.coreagritech.com/uploads/1/3/2/6/132681352/zazovelenulexoxufe.pdf
- http://files.piltzfamily.waggamatters.com/uploads/1/3/1/8/131871585/1357589.pdf
- http://files.synchronicitypc.com/uploads/1/3/0/7/130776159/6048149ac238457.pdf
- https://cdn.shopify.com/s/files/1/0438/3604/7520/files/16937207932.pdf
- https://cdn.shopify.com/s/files/1/0427/8219/5879/files/vowisirezidatiguk.pdf
- https://cdn.shopify.com/s/files/1/0429/6137/1290/files/52567390019.pdf
- https://cdn.shopify.com/s/files/1/0434/7668/0869/files/sezimamafisesoragojof.pdf
- https://cdn.shopify.com/s/files/1/0430/6350/9146/files/tizekaginedumoferofa.pdf
- https://cdn.shopify.com/s/files/1/0432/2135/2606/files/twitter_hashtag_search.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/bafewemuwidizisaj.pdf
- https://cdn.shopify.com/s/files/1/0433/5730/7039/files/87460222808.pdf
- https://cdn.shopify.com/s/files/1/0434/7445/2632/files/jodipejujubevezo.pdf
- https://cdn.shopify.com/s/files/1/0433/9875/8557/files/wasovux.pdf
- https://cdn.shopify.com/s/files/1/0446/1314/0643/files/los_4_acuerdos_toltecas_libro.pdf
- https://cdn.shopify.com/s/files/1/0434/5053/1990/files/6969475267.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_off00007aec.bin79b00946a8880fa87861418682347af1f30b11a6e034b034a7d8db8044ff169c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AEC | 5544 bytes |
font_01_sfnt_off00008da7.bin27e3b307a52eff7e33e296c6e16a4da372118c4835b187a43f063c225468bb14 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8DA7 | 10532 bytes |
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