MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.ru'. Additionally, it features a large number of external PDF links, many hosted on Shopify, suggesting a link farm or SEO poisoning attempt. The ML classifier also strongly indicated maliciousness. The embedded URL in the document body, 'https://ttraff.ru/pify?keyword=authenticity+paradox+pdf', is the primary indicator of malicious intent, likely serving as a lure for further malicious activity.
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=authenticity+paradox+pdf
- http://files.bluemountainseimei.com/uploads/1/3/1/8/131856646/wezoxovuvati_lobekili.pdf
- http://basipowek.joysofmommyhood.net/uploads/1/3/1/3/131398560/86f075.pdf
- http://files.evesartistry.com/uploads/1/3/0/7/130739802/xariregi-fibebupolutebof-lisun-gexifivapuraf.pdf
- http://nugavadab.carolconnor.net/uploads/1/3/2/6/132696056/kodekapimofi-katekogiriru-nobexezeges-vutosetevum.pdf
- https://cdn.shopify.com/s/files/1/0439/1724/6632/files/basic_accounting_philippines.pdf
- https://cdn.shopify.com/s/files/1/0430/3365/7495/files/valamiwelutogo.pdf
- https://cdn.shopify.com/s/files/1/0435/2756/9576/files/1026192245.pdf
- https://cdn.shopify.com/s/files/1/0432/0201/9487/files/central_africa_history.pdf
- https://cdn.shopify.com/s/files/1/0429/1136/7331/files/harman_kardon_soundsticks_ii.pdf
- https://cdn.shopify.com/s/files/1/0430/6593/3985/files/patufab.pdf
- https://cdn.shopify.com/s/files/1/0431/8930/5506/files/moravia_il_disprezzo.pdf
- https://cdn.shopify.com/s/files/1/0435/1836/1755/files/41463124880.pdf
- https://cdn.shopify.com/s/files/1/0430/9201/7305/files/59917097544.pdf
- https://cdn.shopify.com/s/files/1/0438/1035/7405/files/3064562563.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_off0000a80d.bin66854a9b6f322c39c3ec219dc47161c4fa21bf0fe31a8098609af83c8cdfe1d2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA80D | 5192 bytes |
font_01_sfnt_off0000b9b6.bin2f849ab3dc9090329a1f0398f7b4c89104094e9a68f8e33be52247ad0e79b0a0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB9B6 | 10244 bytes |
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