MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links, one of which, 'https://ttraff.com/pify?keyword=acoustic+guitar+chords+pdf', is identified as a malicious redirector. The document body, though heavily obfuscated, also contains this URL, suggesting a lure to disguise malicious activity. The presence of numerous other links to Shopify-hosted PDFs indicates a link farm strategy, likely to improve search engine ranking for malicious content. The ML classifier strongly flagged this PDF as malicious.
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=acoustic+guitar+chords+pdf
- http://files.kvrclub.com/uploads/1/3/0/7/130775940/jasedotajifu-tupuke-patawuboro.pdf
- http://files.tilliesnevada.com/uploads/1/3/1/3/131379612/xapixivote-pipugu-neruxesivalu-wifuf.pdf
- http://files.approachapparel.com/uploads/1/3/1/3/131383664/8009279.pdf
- https://cdn.shopify.com/s/files/1/0436/1761/6034/files/36096859779.pdf
- https://cdn.shopify.com/s/files/1/0429/7208/6423/files/sototilamajesezirezokujoz.pdf
- https://cdn.shopify.com/s/files/1/0434/2117/1864/files/raxalavemadedevizew.pdf
- https://cdn.shopify.com/s/files/1/0431/8570/1019/files/tatalaksana_keratosis_seboroik.pdf
- https://cdn.shopify.com/s/files/1/0431/5670/1348/files/repabodeso.pdf
- https://cdn.shopify.com/s/files/1/0428/0595/2671/files/50099262073.pdf
- https://cdn.shopify.com/s/files/1/0432/0159/3507/files/17609259265.pdf
- https://cdn.shopify.com/s/files/1/0432/4016/1435/files/3035381440.pdf
- https://cdn.shopify.com/s/files/1/0435/8062/0963/files/vededijigegimiluvokosetix.pdf
- https://cdn.shopify.com/s/files/1/0429/4361/1036/files/2894097906.pdf
- https://cdn.shopify.com/s/files/1/0432/9563/7659/files/suxerudadugurejalepoj.pdf
- https://cdn.shopify.com/s/files/1/0434/1760/0152/files/bovivikujawebab.pdf
- https://cdn.shopify.com/s/files/1/0430/7966/3765/files/14731154302.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_off00006cc5.bina05602a154040cd6fe57b3627578cd7110d7d3ac5b16c11993302c30568c37ad |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CC5 | 5372 bytes |
font_01_sfnt_off00007f0a.binc914a8ab47932b06414502eae2d9ae42ce8d8fda9ca10e56cdbec1fd95946884 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F0A | 10120 bytes |
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