MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded links, identified as a 'PDF_SEO_LINK_FARM'. One of these links points to a known malicious redirector. The ML classifier also strongly flagged this PDF as malicious. The document body appears to be corrupted or obfuscated, preventing a clear understanding of its intended lure, but the presence of the link farm and malicious redirector strongly suggests a malicious intent to drive traffic 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=traits+genes+and+alleles+worksheet
- http://files.careercoachradio.com/uploads/1/3/0/9/130969334/1069313.pdf
- http://files.jewellhjohnson.com/uploads/1/3/2/8/132816158/252b1d3f634b0.pdf
- http://files.ywtc.ca/uploads/1/3/1/3/131398377/6234635.pdf
- http://files.janeshannonphotography.com/uploads/1/3/1/3/131383544/1916874.pdf
- http://files.fomuchskateboards.com/uploads/1/3/2/8/132814048/jitefefisi_sanuseput_duzex_ronuv.pdf
- https://cdn.shopify.com/s/files/1/0433/4573/9941/files/senadenoge.pdf
- https://cdn.shopify.com/s/files/1/0431/2783/2733/files/vodulakunalokevosepis.pdf
- https://cdn.shopify.com/s/files/1/0433/4272/5285/files/piratubim.pdf
- https://cdn.shopify.com/s/files/1/0438/1055/4016/files/jovovikusojagulubezaze.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nofalefupipalivudekim.pdf
- https://cdn.shopify.com/s/files/1/0435/5509/4677/files/lawazoketunodowipa.pdf
- https://cdn.shopify.com/s/files/1/0437/7939/1646/files/15541429185.pdf
- https://cdn.shopify.com/s/files/1/0429/1615/1455/files/76694300717.pdf
- https://cdn.shopify.com/s/files/1/0430/2353/2195/files/gatalobobod.pdf
- https://cdn.shopify.com/s/files/1/0431/9005/9176/files/86042503542.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_off00007d56.bineda042c7ee6a6c17b1adf9c5e9669a850beb8ff7bbba026d7ce0e2767017b9ae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D56 | 4980 bytes |
font_01_sfnt_off00008e41.bin994659332b27328edfaf9d56ee7fe13514449be58167450ea90174baa9a3b6ea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E41 | 13472 bytes |
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