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 pointing to Shopify domains, but one critical link redirects to a known malicious domain (ttraff.cc). This suggests a link farm or SEO poisoning tactic to distribute malicious content. The document body, though heavily obfuscated, contains the URL https://ttraff.cc/pify?keyword=best+networking+books+pdf+free, indicating a lure for users seeking free books. 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.cc/pify?keyword=best+networking+books+pdf+free
- http://takuno.kellermarkethouse.org/uploads/1/3/1/3/131380177/duvadasufiv.pdf
- http://files.corridormanchester.com/uploads/1/3/2/7/132740682/bozijew.pdf
- http://fareze.easybasicphotography.com/uploads/1/3/1/6/131636832/naronopo.pdf
- https://cdn.shopify.com/s/files/1/0428/1594/6911/files/visupolefotofolilakuxaru.pdf
- https://cdn.shopify.com/s/files/1/0433/3495/9256/files/simplismente_acontece_baixar.pdf
- https://cdn.shopify.com/s/files/1/0449/1676/8923/files/28264855657.pdf
- https://cdn.shopify.com/s/files/1/0432/8026/9477/files/rifokemamulen.pdf
- https://cdn.shopify.com/s/files/1/0437/0055/1845/files/hallelujah_chorus_tonic_solfa.pdf
- https://cdn.shopify.com/s/files/1/0427/9356/6364/files/labview_for_dummies_free_download.pdf
- https://cdn.shopify.com/s/files/1/0436/5041/6793/files/inteligencia_artificial_concepto.pdf
- https://cdn.shopify.com/s/files/1/0432/7551/8107/files/cassiopeia_guide_runes.pdf
- https://cdn.shopify.com/s/files/1/0436/3347/5737/files/vusizofogofolus.pdf
- https://cdn.shopify.com/s/files/1/0427/9212/4572/files/diabetic_macular_edema_classification.pdf
- https://cdn.shopify.com/s/files/1/0428/5366/2883/files/2038269253.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_off000066ba.bin2014611900eb2c7c60af30fab72d97cd4ef017aefdfb2e22288ee8c4f850d595 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66BA | 5312 bytes |
font_01_sfnt_off000078ed.bin39fbe93951a9a1d582a131bf9a8e6952027a76c689bf6f672719e5297ae7c656 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78ED | 9992 bytes |
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