MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to a redirector service (ttraff.com) that is known to host malicious content. The document body, though heavily obfuscated, appears to be related to drawing programs, likely a lure to entice users to click the malicious links. The ML classifier strongly indicated maliciousness.
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=chemische+formeln+zeichnen+programm
- http://files.lifeatthelandlab.org/uploads/1/3/1/3/131381614/aa16777.pdf
- http://files.mcgowanarchitecture.com/uploads/1/3/2/6/132680855/d7a53e757b2453.pdf
- http://files.seizediem.com/uploads/1/3/1/4/131438741/vewim_gifesimefipotu.pdf
- https://cdn.shopify.com/s/files/1/0437/3594/1274/files/luragesat.pdf
- https://cdn.shopify.com/s/files/1/0429/2762/0249/files/vejonorozeraworawokilosi.pdf
- https://cdn.shopify.com/s/files/1/0432/2266/3325/files/fegesibij.pdf
- https://cdn.shopify.com/s/files/1/0430/8353/0407/files/bobexulavovada.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/boruxunijutaki.pdf
- https://cdn.shopify.com/s/files/1/0434/0023/3110/files/zidevivovezapijakav.pdf
- https://cdn.shopify.com/s/files/1/0428/7247/1715/files/7835887628.pdf
- https://cdn.shopify.com/s/files/1/0430/7209/4362/files/mapedujujudupitir.pdf
- https://cdn.shopify.com/s/files/1/0431/0843/4077/files/52391371818.pdf
- https://cdn.shopify.com/s/files/1/0434/9886/4800/files/rigavunalamiso.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/demesudixagivok.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_off0000870b.bin087c62e7bf7c8c1e2699584395f09db5c8c4f65cdff67cf72ac3747cf8dc6139 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x870B | 5212 bytes |
font_01_sfnt_off0000989b.bin680920afca2ad321f355ece5f9360811c6c4b83fbeceea58a4590c05acb94a52 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x989B | 10896 bytes |
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