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.me/wix?keyword=lei+de+direitos+autorais+comentada+pdf'. This URL is likely used to deliver a malicious payload or redirect the user to a phishing site. The document body text, though heavily obfuscated, contains the same URL, reinforcing its role as a lure. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning attempt to increase visibility of the malicious content.
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.me/wix?keyword=lei+de+direitos+autorais+comentada+pdf
- http://woduzov.joeydiehl.com/uploads/1/3/2/7/132741194/zomuwulomego.pdf
- http://fumanizov.pearsonmemorialumc.com/uploads/1/3/0/9/130969204/vebanudirunudef-nidaborapewerox-ripukebixufe.pdf
- http://files.malteseartist.com/uploads/1/3/1/3/131398091/zobazinekukubu_xigazub.pdf
- https://cdn.shopify.com/s/files/1/0431/5345/7320/files/bafupa.pdf
- https://cdn.shopify.com/s/files/1/0438/1235/6253/files/31742381034.pdf
- https://cdn.shopify.com/s/files/1/0428/1712/6563/files/lemowu.pdf
- https://cdn.shopify.com/s/files/1/0434/1320/9246/files/37164125948.pdf
- https://cdn.shopify.com/s/files/1/0433/6471/2599/files/driver_usb_bluetooth_android_4._0.pdf
- https://cdn.shopify.com/s/files/1/0434/8795/3053/files/wirekizox.pdf
- https://cdn.shopify.com/s/files/1/0432/8017/1174/files/24919972852.pdf
- https://cdn.shopify.com/s/files/1/0437/3735/0305/files/kesajawojoxezi.pdf
- https://cdn.shopify.com/s/files/1/0431/6856/3355/files/biochemistry_by_satyanarayana.pdf
- https://cdn.shopify.com/s/files/1/0430/3886/7607/files/17610480771.pdf
- https://cdn.shopify.com/s/files/1/0431/3497/6157/files/68566031620.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_off000121d7.bin996c3c7f7054f8851e7cbc9a8bfa3d7031060a1de152833dfacc1f4621ce7396 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121D7 | 5212 bytes |
font_01_sfnt_off0001337d.binf1600d5c972b3b357320ec691d9a75ce0c5d26bcfc03423890ba0af782c14883 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1337D | 12392 bytes |
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