MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded URLs, many pointing to Shopify, suggesting an attempt to manipulate search engine results or distribute malicious content. One critical heuristic identified a link to known malicious redirector infrastructure at `https://ttraff.cc/pify?keyword=ashrae+90.+1+user+s+manual+2020+pdf`. The document body, though heavily obfuscated, contains similar URLs and metadata indicating it was generated by wkhtmltopdf, a tool often used to create SEO-optimized content or phishing lures.
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=ashrae+90.+1+user+s+manual+2020+pdf
- http://files.janrosenberg.com/uploads/1/3/0/9/130969059/zikebibifudex.pdf
- http://files.ny6thinktank.org/uploads/1/3/1/4/131437862/rufafanodedajifuv.pdf
- http://files.galleryatno6.co.uk/uploads/1/3/1/4/131411688/gadasosokazibezawa.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0443/4313/2316/files/adobe_scan_to_free.pdf
- https://cdn.shopify.com/s/files/1/0436/9688/1814/files/23876779929.pdf
- https://cdn.shopify.com/s/files/1/0429/1415/2607/files/95789665855.pdf
- https://cdn.shopify.com/s/files/1/0430/1311/1961/files/gewiverikotuzoboxup.pdf
- https://cdn.shopify.com/s/files/1/0435/9087/7339/files/silukexalegulu.pdf
- https://cdn.shopify.com/s/files/1/0434/8795/3053/files/nazidinegaven.pdf
- https://cdn.shopify.com/s/files/1/0435/2504/6431/files/arnold_schwarzenegger_sound_board.pdf
- https://cdn.shopify.com/s/files/1/0430/8202/3061/files/tm-_ac1900_firmware_downgrade.pdf
- https://cdn.shopify.com/s/files/1/0435/5309/5844/files/pexugupi.pdf
- https://cdn.shopify.com/s/files/1/0432/8708/5220/files/find_duplicates_in_sql.pdf
- https://cdn.shopify.com/s/files/1/0437/8044/0215/files/8317982217.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_off00004284.bin9736713e1be3db2e4eebadc99b67bc6781472f732377aa99cf1690ea8000d02a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4284 | 5784 bytes |
font_01_sfnt_off0000560b.bin52b2cbf1a86994fca3ea44689a2e87e21033141c86257ed55bf6f0173061e57c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x560B | 9212 bytes |
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