MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, including one to a known malicious redirector at "https://ttraff.cc/pify?keyword=electronics+guide+book+pdf". The document body, though heavily obfuscated, contains text suggesting it is a "guide book pdf", likely a lure. The presence of many external links, including 26 PDF links, indicates a link farm or SEO spamming technique, often used to distribute malicious content. No scripts were extracted, but the primary attack vector appears to be social engineering via a malicious link.
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=electronics+guide+book+pdf
- http://files.apollongu.org/uploads/1/3/1/6/131606035/2870775.pdf
- http://tutir.linseyart.com/uploads/1/3/1/1/131164250/jugededoge_zufajanuwitazo_bugilugavukuv_benuxelimalepi.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/5895/3381/files/spreader_beam_design.pdf
- https://cdn.shopify.com/s/files/1/0432/8321/8588/files/wooden_furniture_design_catalogue_2020.pdf
- https://cdn.shopify.com/s/files/1/0431/3127/3370/files/lossless_compression.pdf
- https://cdn.shopify.com/s/files/1/0435/3966/0954/files/4287424776.pdf
- https://cdn.shopify.com/s/files/1/0434/0740/9319/files/lepuluxavoxoresimovaguwu.pdf
- https://cdn.shopify.com/s/files/1/0428/7794/3967/files/duvidibudivuna.pdf
- https://cdn.shopify.com/s/files/1/0431/1298/8821/files/86758424278.pdf
- https://cdn.shopify.com/s/files/1/0440/4844/9686/files/vimedibukejimetasezutuwul.pdf
- https://cdn.shopify.com/s/files/1/0431/5804/4826/files/2468957156.pdf
- https://cdn.shopify.com/s/files/1/0437/8702/6581/files/55580127619.pdf
- https://cdn.shopify.com/s/files/1/0430/8929/7568/files/8609052317.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_off0000725f.bin17e53af608134352dfa356ca4768ae996db54ad10ce4f84d8b6e20602b11a8b9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x725F | 5276 bytes |
font_01_sfnt_off0000845c.bin87483de88002db3f59bf1699006656ce917e3982227f6c44ac81f51b89de8984 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x845C | 9840 bytes |
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