MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
T1059.001 PowerShell
The PDF file contains a large number of embedded links, many of which point to domains associated with SEO link farms and redirectors. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK specifically flags a URL leading to ttraff.ru, indicating a redirection to malicious infrastructure. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, appears to be a lure related to art history, likely to trick users into clicking the embedded links.
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=minoan+and+mycenaean+art+pdf
- http://files.sarahconstable.com/uploads/1/3/1/3/131383318/xowaxarogo_vuvusil_nununoparote.pdf
- http://files.shanemarshallphotos.com/uploads/1/3/1/8/131871778/3749821.pdf
- http://files.goldkeel.com/uploads/1/3/1/4/131436956/d3d932a1490d7c.pdf
- https://cdn.shopify.com/s/files/1/0431/6889/1040/files/posuxaxateziw.pdf
- https://cdn.shopify.com/s/files/1/0434/1910/7480/files/17925341806.pdf
- https://cdn.shopify.com/s/files/1/0429/3492/7513/files/33755353547.pdf
- https://cdn.shopify.com/s/files/1/0434/8513/5014/files/68134098727.pdf
- https://cdn.shopify.com/s/files/1/0430/8038/4674/files/95911785653.pdf
- https://cdn.shopify.com/s/files/1/0433/7709/8910/files/fujoxamame.pdf
- https://cdn.shopify.com/s/files/1/0435/4647/6708/files/zurata.pdf
- https://cdn.shopify.com/s/files/1/0436/9596/4328/files/roxubuxodomirosataza.pdf
- https://cdn.shopify.com/s/files/1/0429/6785/9359/files/97393965258.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_off00006e01.bin9110a43a278833744e77efc9245be63847c2f8fc111fbde761325f49519f63bc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E01 | 4988 bytes |
font_01_sfnt_off00007ee2.bin2e801971ab810e63778fb881615d9ba580ba5d0f99f73aec7d692b68892c0217 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7EE2 | 9888 bytes |
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