MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to a redirector service (ttraff.cc) that is known to host malicious content. The document body text and embedded links attempt to trick users into believing they are downloading a legitimate tool for PDF conversion, which is a common social engineering tactic. The ML classifier strongly indicated maliciousness, and the presence of a malicious redirector link confirms a high likelihood of a phishing or malware distribution attempt.
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.cc/pify?keyword=adobe+acrobat+professional+7+convert+pdf+to+word
- http://files.chafyaaymath.com/uploads/1/3/1/8/131856907/c47229fbb1b.pdf
- http://madazevad.hoppymeadowsrabbitry.com/uploads/1/3/0/8/130873951/b40d5b124.pdf
- http://files.dependabullbulldogs.com/uploads/1/3/1/4/131437977/b43ae737a7c933e.pdf
- http://files.naomibellina.com/uploads/1/3/1/3/131378932/5605940.pdf
- https://cdn.shopify.com/s/files/1/0434/3988/2402/files/87053191011.pdf
- https://cdn.shopify.com/s/files/1/0430/2651/4077/files/59589665163.pdf
- https://cdn.shopify.com/s/files/1/0433/6104/2591/files/get_apk_from_android.pdf
- https://cdn.shopify.com/s/files/1/0433/7752/4888/files/redagegitegad.pdf
- https://cdn.shopify.com/s/files/1/0427/8992/9116/files/95142179713.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lorirazapevimixawas.pdf
- https://cdn.shopify.com/s/files/1/0431/5381/7762/files/xifukefepalelova.pdf
- https://cdn.shopify.com/s/files/1/0435/9127/0563/files/28624276504.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zixetirubopejama.pdf
- https://cdn.shopify.com/s/files/1/0436/0660/5987/files/dazaxanuwetewaw.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_off00005af8.bin4c8bed68c9d5f7abe5fdaaea83f4ce8ce83a8e80eddbc0ac39bbcf9d7d33d6fd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5AF8 | 5512 bytes |
font_01_sfnt_off00006de2.bin9a0580e1ec5db54802d9dfa46961f95af5a8b1797bf60e55c700fa69556160be |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DE2 | 10024 bytes |
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