MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a significant number of embedded URLs, with one pointing to a known malicious redirector. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of external PDF links, suggesting a tactic to manipulate search engine results or distribute malicious content. The ML classifier also strongly flagged this PDF as malicious. While no scripts were extracted, the presence of a malicious redirector URL and the link farm pattern strongly suggest a malicious intent, likely to lure users to harmful sites.
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=animal+crossing+wild+world+hair+guide+color
- http://files.ourdivecenter.com/uploads/1/3/1/4/131407135/6359097.pdf
- http://porebiv.thewholechildmatters.org/uploads/1/3/0/8/130874066/da141502630106d.pdf
- http://nerizatig.pslerevision.com/uploads/1/3/0/8/130873951/c1008.pdf
- https://cdn.shopify.com/s/files/1/0433/8266/9461/files/27343649516.pdf
- https://cdn.shopify.com/s/files/1/0431/8894/5064/files/canon_elph_180_user_manual.pdf
- https://cdn.shopify.com/s/files/1/0431/2881/5783/files/50326039454.pdf
- https://cdn.shopify.com/s/files/1/0429/0949/9558/files/6066969876.pdf
- https://cdn.shopify.com/s/files/1/0434/6770/2432/files/lexique_de_l_argumentation.pdf
- https://cdn.shopify.com/s/files/1/0463/0252/7645/files/buxozix.pdf
- https://cdn.shopify.com/s/files/1/0431/7665/7051/files/aggiornamento_android_9_honor_7x.pdf
- https://cdn.shopify.com/s/files/1/0428/1411/1903/files/depawedekinid.pdf
- https://cdn.shopify.com/s/files/1/0434/4361/7948/files/honda_recon_250_manual_free_download.pdf
- https://cdn.shopify.com/s/files/1/0435/4169/2580/files/mtv_true_life_episodes.pdf
- https://cdn.shopify.com/s/files/1/0435/0954/7174/files/nozejem.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_off000061fc.bin786eaedf9190e6404ada385b89f508911c6f9ebd8f02791bd241c57f099a1eca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61FC | 5436 bytes |
font_01_sfnt_off00007442.binf287cce16bf889012d6bbb36fcd163d2dd5b45d2616856539c3647a32d71ea89 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7442 | 10060 bytes |
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