MALICIOUS
152
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.com/pify?keyword=bittencourt+penal+volume+3+pdf'. This indicates the document's primary purpose is to lure users to a malicious site. The presence of numerous other PDF links, many hosted on shopify.com, suggests a link farm or SEO poisoning tactic to distribute the malicious content. No scripts were extracted, but the embedded URLs and redirector link are sufficient indicators of malicious intent.
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=bittencourt+penal+volume+3+pdf
- http://files.prattindustriesboxesericstorm.com/uploads/1/3/1/3/131383763/6124266.pdf
- http://files.drkaylee.us/uploads/1/3/2/8/132815882/03a2aa143bd.pdf
- http://files.rcmissouri.com/uploads/1/3/2/6/132695732/komumetijote.pdf
- https://cdn.shopify.com/s/files/1/0432/4841/8971/files/towozirikibuwufekoxe.pdf
- https://cdn.shopify.com/s/files/1/0428/4553/6419/files/wijokokumujokivukigogir.pdf
- https://cdn.shopify.com/s/files/1/0435/4303/6053/files/masonavuxuzediluwuzozimag.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gamusuzojikifikukudubug.pdf
- https://cdn.shopify.com/s/files/1/0438/2910/0701/files/58823906320.pdf
- https://cdn.shopify.com/s/files/1/0430/6855/5415/files/18669165102.pdf
- https://cdn.shopify.com/s/files/1/0428/3976/9254/files/30512455802.pdf
- https://cdn.shopify.com/s/files/1/0439/5089/9368/files/jinatas.pdf
- https://cdn.shopify.com/s/files/1/0432/5225/2829/files/49686178259.pdf
- https://cdn.shopify.com/s/files/1/0429/2935/6959/files/67398678553.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_off00004a28.binfaa4740044ed13b6b02cad0426ab69f5da940281797d21144463e68e3c24d449 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4A28 | 5396 bytes |
font_01_sfnt_off00005c6e.bin3e940f0325060a5546ed2f832a113bbb55002c852bdf616db055419e19363812 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C6E | 10236 bytes |
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