MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, with one identified as a malicious redirector. The document body appears to be obfuscated or corrupted, but the presence of a link farm and a malicious redirector strongly suggests an intent to lure users to malicious websites. The ML classifier also flagged this PDF with high confidence.
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/wix?keyword=industrial%252F+organizational+psycholog
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/36f25b_a89ed53f8c104c55b31948b4f57eda43.pdf
- https://static.usrfiles.com/ugd/07e02c_0ec268aa98304989b8fe48c2bf1c22d3.pdf
- https://static.usrfiles.com/ugd/b8c837_499c8ad6c9ab4dd1a51819844814866c.pdf
- https://static.usrfiles.com/ugd/8d57bd_3f75f2009bf24180974f3c4882358eda.pdf
- https://static.usrfiles.com/ugd/1decf9_c11621a24456481fabcc19c7a0615f57.pdf
- https://cdn.shopify.com/s/files/1/0428/3308/4575/files/jotabipazu.pdf
- https://cdn.shopify.com/s/files/1/0431/1344/7581/files/20266697168.pdf
- https://cdn.shopify.com/s/files/1/0429/5681/6540/files/wutudubinisin.pdf
- https://cdn.shopify.com/s/files/1/0435/0840/0280/files/24803944085.pdf
- https://cdn.shopify.com/s/files/1/0434/1897/6414/files/toyota_aqua_2020_manual.pdf
- https://cdn.shopify.com/s/files/1/0434/3952/1958/files/resident_evil_animated_movies_in_ord.pdf
- https://cdn.shopify.com/s/files/1/0434/7923/6773/files/wanaruresifejaxegedifonon.pdf
- https://cdn.shopify.com/s/files/1/0434/0314/9462/files/affray_sentencing_guidelines_singapore.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_off00006b3d.bine37bc0958de29b5b2ce2e350d148ac812c823b0c77280d36f39abf98068842bc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B3D | 5460 bytes |
font_01_sfnt_off00007dd4.bin52fb71f2a46bcd080c39e4970721a8a9170bec892d7f1955494e00765c588d2e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7DD4 | 10256 bytes |
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