MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, including one pointing to a known malicious redirector at `https://ttraff.com/pify?keyword=genki+1+workbook+answer+key+pdf`. The document body, though heavily obfuscated, appears to be a lure, presenting itself as a workbook answer key to encourage clicks on these links. The ML classifier also strongly indicated maliciousness.
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=genki+1+workbook+answer+key+pdf
- http://gelaremak.christ-presbyterianchurch.org/uploads/1/3/1/4/131407995/bukonamumi.pdf
- http://siwane.bayoush.com/uploads/1/3/2/6/132681504/xerilet.pdf
- http://zedefu.cherokeecountyparks.com/uploads/1/3/0/8/130814328/wugidesafaxu.pdf
- http://wowose.ear-lab.org/uploads/1/3/2/6/132681647/d4fdec4e471b.pdf
- http://files.rumadesignstudio.com/uploads/1/3/1/1/131163957/faxoxetakofiseb.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/0493/5835/files/electrical_actuation_system_in_mechatronics.pdf
- https://cdn.shopify.com/s/files/1/0428/5526/8519/files/viper_7345v_manual.pdf
- https://cdn.shopify.com/s/files/1/0431/6663/0037/files/66280744904.pdf
- https://cdn.shopify.com/s/files/1/0431/5794/6522/files/74635938261.pdf
- https://cdn.shopify.com/s/files/1/0432/4560/0931/files/70532252268.pdf
- https://cdn.shopify.com/s/files/1/0435/4765/6343/files/analytical_geometry_book_download.pdf
- https://cdn.shopify.com/s/files/1/0431/4211/9592/files/merriam_webster_english_dictionary_download.pdf
- https://cdn.shopify.com/s/files/1/0452/5703/1842/files/graphic_design_portfolio_examples.pdf
- https://cdn.shopify.com/s/files/1/0440/5864/0534/files/vewobaxowigalatirevajevus.pdf
- https://cdn.shopify.com/s/files/1/0428/9639/2348/files/pabukokoxib.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_off00005545.bin6ed924c8eaaeb7b06074bf02c3abc7bdd2a4defd7de9b788a3f1e3a008b22bc8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5545 | 5484 bytes |
font_01_sfnt_off0000681c.bin2bdd5fb5f3c71b0be631fad8d223e95cacdc38d325e02d03f7d8f49c725400bd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x681C | 10612 bytes |
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