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.com'. This URL is embedded within the document body, disguised as a link to a financial administration PDF. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm designed to improve search engine ranking for malicious content. The ML classifier also strongly flagged this PDF as malicious.
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.com/pify?keyword=administra%25C3%25A7%25C3%25A3o+financeira+e+or%25C3%25A7ament%25C3%25A1ria+pdf+minhateca
- http://files.anthonybellavia.com/uploads/1/3/1/4/131483027/841156.pdf
- http://files.merseamuddshack.com/uploads/1/3/1/1/131164202/mirunejupeneg-rosotafewoxi-ririnabip.pdf
- http://files.inlihtanhealingcentre.com.au/uploads/1/3/1/4/131483955/gabidilowuniju-jorokozijag-jidatetixo-pamukelibado.pdf
- http://files.twfermco.com/uploads/1/3/0/8/130874566/3114318.pdf
- https://cdn.shopify.com/s/files/1/0431/4651/0504/files/22705516345.pdf
- https://cdn.shopify.com/s/files/1/0431/2878/3002/files/68693165723.pdf
- https://cdn.shopify.com/s/files/1/0430/3526/3138/files/73011606599.pdf
- https://cdn.shopify.com/s/files/1/0446/9784/5913/files/apache_poi_reader.pdf
- https://cdn.shopify.com/s/files/1/0429/8512/8095/files/62979818557.pdf
- https://cdn.shopify.com/s/files/1/0428/9999/6839/files/98058616448.pdf
- https://cdn.shopify.com/s/files/1/0427/5834/0774/files/zugikopijaxilu.pdf
- https://cdn.shopify.com/s/files/1/0433/4940/9950/files/dogefeli.pdf
- https://cdn.shopify.com/s/files/1/0428/3334/6719/files/nimitoze.pdf
- https://cdn.shopify.com/s/files/1/0433/2044/3045/files/63445690482.pdf
- https://cdn.shopify.com/s/files/1/0429/9980/8149/files/pigibogewa.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_off00006406.bine8e24fb90be6c82ecc7b2ce881252a14c9264b4b8e033ca86be4d21d90cc7b07 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6406 | 6088 bytes |
font_01_sfnt_off0000771d.bin3808e1f05f0325191ae345ce38877666903c5277966012a55e8035eebbe1723e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x771D | 13212 bytes |
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