MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains embedded links, one of which points to a known malicious redirector at 'ttraff.com'. This heuristic, combined with the ML classifier flagging the document as malicious, strongly suggests a phishing or malware delivery attempt. The document body, though heavily obfuscated, also contains the same redirector URL and a benign-looking Shopify URL, likely part of a link farm to improve search engine visibility for malicious content.
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=twinkle+twinkle+little+star+piano+sheets
- http://files.coastalsilviculturecommittee.com/uploads/1/3/1/8/131857540/renavote-ganegenizosi.pdf
- http://files.nowforyoga.com/uploads/1/3/1/4/131407369/aac739e2d9d32.pdf
- http://jixujel.africaspectrum.com/uploads/1/3/1/6/131606346/5005215.pdf
- https://cdn.shopify.com/s/files/1/0446/6167/0051/files/joindre_facebook.pdf
- https://cdn.shopify.com/s/files/1/0438/9784/7976/files/diploma_standard_strength_of_materials_book.pdf
- https://cdn.shopify.com/s/files/1/0434/6540/8662/files/88014693892.pdf
- https://cdn.shopify.com/s/files/1/0461/9170/6263/files/unreconciled_transaction_report_xero.pdf
- https://cdn.shopify.com/s/files/1/0434/0744/2072/files/child_hd_images_free.pdf
- https://cdn.shopify.com/s/files/1/0430/8176/0935/files/achilles_tendinopathy_nhs.pdf
- https://cdn.shopify.com/s/files/1/0430/2556/3801/files/betetumowinubipuguwib.pdf
- https://cdn.shopify.com/s/files/1/0431/5689/7947/files/nice_wallpapers_for_android_mobile.pdf
- https://cdn.shopify.com/s/files/1/0433/5098/2821/files/53014780287.pdf
- https://cdn.shopify.com/s/files/1/0432/6119/8500/files/tulinegipuzigi.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/29878061118.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_off000061a5.bin8624cc881bb3333b30cd956ef7bdccb86b9cd53f2b0f11df13bf917983855648 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61A5 | 5012 bytes |
font_01_sfnt_off000072bb.bin2328b7fdb8c7a2d3e5b9139acf1580d078768c57f47d9a2f3ba7671de3b188ca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72BB | 10616 bytes |
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