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 'https://ttraff.ru/pify?keyword=dichiarazione+sostitutiva+dell+atto+di+notoriet%25C3%25A0+pdf+compilabile'. This URL is likely used to redirect the user to a malicious site or download further malware. The document body, though heavily obfuscated, also contains this URL and numerous other links to PDF files hosted on Shopify, suggesting a link farm or redirection strategy. The ML classifier strongly supports the malicious nature of this PDF.
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=dichiarazione+sostitutiva+dell+atto+di+notoriet%25C3%25A0+pdf+compilabile
- http://files.eliclothier.com/uploads/1/3/0/9/130969545/gufiniwojaxiwimod.pdf
- http://files.yhwhourrighteousnesschicago.net/uploads/1/3/1/8/131856723/wujadubefeti_pefaja_kejasug_lasapedubun.pdf
- http://files.advent-baltimore.com/uploads/1/3/2/7/132741162/6605318.pdf
- https://cdn.shopify.com/s/files/1/0432/3858/8584/files/tekamopoveguxedujibudu.pdf
- https://cdn.shopify.com/s/files/1/0440/7571/2664/files/riwijobujizororilagaxa.pdf
- https://cdn.shopify.com/s/files/1/0435/4025/0775/files/18417120179.pdf
- https://cdn.shopify.com/s/files/1/0431/4651/0497/files/bovibusovinadidadupokox.pdf
- https://cdn.shopify.com/s/files/1/0434/4286/4289/files/automata_tutorial_point.pdf
- https://cdn.shopify.com/s/files/1/0430/4620/7642/files/97721178774.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lojuxefututa.pdf
- https://cdn.shopify.com/s/files/1/0434/5030/2616/files/rizamajurudeji.pdf
- https://cdn.shopify.com/s/files/1/0437/1460/9303/files/19474761510.pdf
- https://cdn.shopify.com/s/files/1/0435/8003/1139/files/haproxy_rate_limiting.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_off00004edb.bin3f2280d092af7bf683a823a29895e30200750e9f9b29e34a824a198c04dbf2d8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4EDB | 5880 bytes |
font_01_sfnt_off00006235.bin113aa43626460e9ac016124e5055513d50ff6da801d2122994398426e7d51cc7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6235 | 10272 bytes |
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