MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, including one to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, appears to be a lure related to a book review, aiming to trick users into clicking these links. The ML classifier strongly indicated maliciousness, and the presence of a redirector link confirms a malicious intent to lead users to potentially harmful 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=built+to+last+book+review+pdf
- http://xovatafez.stjohnthebaptistdeanery.com/uploads/1/3/1/6/131606056/felujidezuxesososum.pdf
- http://files.anzonaconference.net/uploads/1/3/1/3/131379699/4645048.pdf
- http://files.thepsychicangelguide.com/uploads/1/3/0/9/130969300/jodejobu.pdf
- http://viwewa.hisembracinglove.com/uploads/1/3/0/7/130776330/bujudenomogefojugax.pdf
- http://files.theflourishsisterhood.com/uploads/1/3/1/3/131398156/95d18288fa830.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/6598/3655/files/60959654850.pdf
- https://cdn.shopify.com/s/files/1/0429/8915/8554/files/60995664881.pdf
- https://cdn.shopify.com/s/files/1/0437/7162/5634/files/jozasixip.pdf
- https://cdn.shopify.com/s/files/1/0428/3393/6547/files/34606309219.pdf
- https://cdn.shopify.com/s/files/1/0431/9313/9364/files/6502026735.pdf
- https://cdn.shopify.com/s/files/1/0432/5857/7051/files/zowuzulalaritovaf.pdf
- https://cdn.shopify.com/s/files/1/0438/3208/2594/files/poniwunaf.pdf
- https://cdn.shopify.com/s/files/1/0448/3996/0737/files/process_capability_definition.pdf
- https://cdn.shopify.com/s/files/1/0433/4705/0661/files/aarp_spider_solitaire.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000727d.bin9341f32ff5ae5d657709c70b122e4beab3f5341b33f30b8d8c750d4f1a8d63c4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x727D | 5440 bytes |
font_01_sfnt_off0000851a.bin25e695df557591881a7c82a5c757fd0e5b0ed9741f308d8cb51f39b91cb12bd2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x851A | 10552 bytes |
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