MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm and a specific redirector URL, indicating a lure to malicious content. The document body, though partially corrupted, contains the text 'Physical anthropology books pdf' and the malicious URL, suggesting a social engineering pretext. The presence of numerous embedded URLs, including a critical redirector, strongly suggests this PDF is designed to lead users to malicious sites, likely for further exploitation or credential harvesting.
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=physical+anthropology+books+pdf
- http://kazuronub.edwardkhrisfernandez.com/uploads/1/3/1/4/131437595/493f5.pdf
- http://dafaposil.flyinglessonsscotland.com/uploads/1/3/1/0/131070313/f66255ae87b3d0.pdf
- http://files.carpetcleanergrandrapids.com/uploads/1/3/1/4/131438761/9028960.pdf
- http://files.pmrlaplace.com/uploads/1/3/1/8/131872015/mofebiworiv-vexik-fanejad.pdf
- https://cdn.shopify.com/s/files/1/0445/5481/3599/files/aristotle_and_dante_discover_the_secret_of_the_universe.pdf
- https://cdn.shopify.com/s/files/1/0435/4513/3207/files/deworenofosav.pdf
- https://cdn.shopify.com/s/files/1/0431/2619/4336/files/12772196517.pdf
- https://cdn.shopify.com/s/files/1/0431/1482/3844/files/gobunos.pdf
- https://cdn.shopify.com/s/files/1/0428/6801/5260/files/android_9_fr_galaxy_s5.pdf
- https://cdn.shopify.com/s/files/1/0430/3945/7431/files/dulowomoroxopinizog.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/97503793953.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_off00004b03.bina7f1ca13a2b83a05accae7c355287d73e9d0044b7a9ef1738ee132394365c1ca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4B03 | 5724 bytes |
font_01_sfnt_off00005e6a.bin0740b55cc909d59e34e6e01bd242d27ed98cccd95b217f7e0cc9603a296fd97b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E6A | 10788 bytes |
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