MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file was flagged as malicious by an ML classifier and contains a significant number of embedded links, with at least one pointing to a known malicious redirector. The presence of a link farm suggests an attempt to distribute malicious content or phish users. The document body is heavily obfuscated and unreadable, providing no further context on the specific lure.
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=char+tolowercase+java
- http://files.blackfeatherboutique.com/uploads/1/3/1/4/131438299/7398221.pdf
- http://files.kirkmahoe.com/uploads/1/3/2/8/132814147/bubatuje_vebedorogumeg.pdf
- http://files.smartonlinebookkeeping.net/uploads/1/3/1/0/131071289/c3956e.pdf
- http://files.creirlanda.com/uploads/1/3/1/3/131398022/sofazeto.pdf
- http://files.legendsgolfclub.org/uploads/1/3/1/3/131383665/6087186.pdf
- https://cdn.shopify.com/s/files/1/0439/8442/1022/files/95221037454.pdf
- https://cdn.shopify.com/s/files/1/0431/6423/7992/files/66990542260.pdf
- https://cdn.shopify.com/s/files/1/0429/4259/5239/files/82053167973.pdf
- https://cdn.shopify.com/s/files/1/0433/7552/6042/files/91346324657.pdf
- https://cdn.shopify.com/s/files/1/0428/3600/0931/files/4262175728.pdf
- https://cdn.shopify.com/s/files/1/0429/5901/2006/files/96901918569.pdf
- https://cdn.shopify.com/s/files/1/0433/4852/5206/files/24134979195.pdf
- https://cdn.shopify.com/s/files/1/0437/5868/2273/files/17426519132.pdf
- https://cdn.shopify.com/s/files/1/0437/0720/3739/files/85267427957.pdf
- https://cdn.shopify.com/s/files/1/0428/3075/8054/files/mulobafod.pdf
- https://cdn.shopify.com/s/files/1/0429/2257/3990/files/xijerepukijozoxif.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_off00010408.bin722cbd1389504ee826b78a55243f8dec3bea44ad580025ea429ebf4994d0e33b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10408 | 4772 bytes |
font_01_sfnt_off00011473.binfa37eedd9d85bb931dc7a4643a12f6d7c78829ba38c5b59382aa91ed4d614f4e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11473 | 12388 bytes |
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