MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link to a known malicious redirector, ttraff.com, which is disguised as a search result for 'Andrew Yang book pdf'. The document also exhibits characteristics of a link farm, with numerous embedded URLs pointing to various PDF files, likely to manipulate search engine results and distribute malicious content. The ML classifier strongly indicates 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=andrew+yang+book+pdf
- http://files.calliesolano.com/uploads/1/3/1/3/131380063/6137071.pdf
- http://nojul.westgate734.com/uploads/1/3/1/3/131384536/67a4a9f2.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/7749/1093/files/81303262961.pdf
- https://cdn.shopify.com/s/files/1/0431/3448/4648/files/9940172071.pdf
- https://cdn.shopify.com/s/files/1/0434/4915/5740/files/adding_fractions_worksheet_with_answers.pdf
- https://cdn.shopify.com/s/files/1/0435/3222/2615/files/xajas.pdf
- https://cdn.shopify.com/s/files/1/0452/2462/4288/files/vikewesekerelazamob.pdf
- https://cdn.shopify.com/s/files/1/0432/2823/3885/files/33549575927.pdf
- https://cdn.shopify.com/s/files/1/0437/3312/3221/files/44061767469.pdf
- https://cdn.shopify.com/s/files/1/0434/3591/7479/files/tifixoj.pdf
- https://cdn.shopify.com/s/files/1/0431/3025/7568/files/juggernaut_training_squat_manual.pdf
- https://cdn.shopify.com/s/files/1/0431/3730/2685/files/nigezidixonuzafarinebenar.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_off0000611b.binda56efa2fcb542fdc1253e70f708122df0bc8952449e20535db256d10a8ccb4c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x611B | 5388 bytes |
font_01_sfnt_off00007393.bin03a7a3d03323e244d53217a3442dfaf05429f07c585df2fb7264571b498af520 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7393 | 10604 bytes |
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