MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains multiple embedded links, with one specifically pointing to a known malicious redirector at 'ttraff.com'. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' confirms this. The document body, though heavily obfuscated, contains the same suspicious URL, suggesting an attempt to disguise a malicious link as a legitimate PDF download. The presence of numerous external links, as flagged by 'PDF_SEO_LINK_FARM', further indicates a link farm designed to obscure the true malicious destination.
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=pedagogy+of+biological+science+pdf+tnteu
- http://guwow.armstrongresponds.com/uploads/1/3/0/7/130775735/002de.pdf
- http://files.bhamcommunityacupuncture.com/uploads/1/3/0/7/130776327/cc67b95f7f.pdf
- https://cdn.shopify.com/s/files/1/0431/6345/1560/files/jobisurerozube.pdf
- https://cdn.shopify.com/s/files/1/0433/3161/6918/files/xosirifibo.pdf
- https://cdn.shopify.com/s/files/1/0433/5117/9416/files/toxazitixejarufutum.pdf
- https://cdn.shopify.com/s/files/1/0431/3235/4727/files/ecology_of_foraminifera.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/texirid.pdf
- https://cdn.shopify.com/s/files/1/0436/1850/0765/files/pewter_report_instagram.pdf
- https://cdn.shopify.com/s/files/1/0435/1331/5480/files/luwedaba.pdf
- https://cdn.shopify.com/s/files/1/0431/8691/3431/files/dupuzakedezuwi.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000046e0.bindc88076149b879019f965508fcf218a3067b388e3059162bb1226dc58b7b4e19 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x46E0 | 5352 bytes |
font_01_sfnt_off00005926.binf8785bf4aed600f78e123e05c3d7658a0b9bad5c22583a8a02f95f79dd1bca55 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5926 | 6176 bytes |
font_02_sfnt_off00006ca2.binc9c50948697757344a6dda6db733126cbffec92e8861c84df07ab30036df835d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CA2 | 9972 bytes |
font_03_sfnt_off00008edc.bin9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8EDC | 4324 bytes |
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