MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, with one pointing to a known malicious redirector. The document body, though garbled, contains text related to 'carrier heat load calculation excel sheet' and a URL that mirrors this, suggesting a lure. The heuristic PDF_SEO_LINK_FARM indicates a large number of external links, many hosted on Shopify, which are likely part of a link farm to obscure the malicious redirector. 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.ru/pify?keyword=carrier+heat+load+calculation+excel+sheet
- http://files.caymanpensionwatch.com/uploads/1/3/2/3/132303235/kifasugug.pdf
- http://files.mckenzieareadayhomes.com/uploads/1/3/1/4/131453894/937327.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0427/7587/1654/files/35763433832.pdf
- https://cdn.shopify.com/s/files/1/0429/7667/3946/files/17736575835.pdf
- https://cdn.shopify.com/s/files/1/0437/2155/6117/files/68247342669.pdf
- https://cdn.shopify.com/s/files/1/0431/7731/2405/files/blood_domain_cleric.pdf
- https://cdn.shopify.com/s/files/1/0429/8234/2815/files/celtic_alleluia.pdf
- https://cdn.shopify.com/s/files/1/0429/5645/6095/files/71855321949.pdf
- https://cdn.shopify.com/s/files/1/0429/4692/0615/files/rulukufadokopefezi.pdf
- https://cdn.shopify.com/s/files/1/0437/7139/6257/files/degulose.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/51994241049.pdf
- https://cdn.shopify.com/s/files/1/0433/2437/5194/files/57010312331.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_off00003edb.bin9efdaaa8f81ad9b89b855f832aeb229aa12e2ac85e99cf0e7748d5b2b7f2fff8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x3EDB | 5000 bytes |
font_01_sfnt_off00004fd0.bind7632ead673aa283e3560d8dfc9805f89df7d6effa350fe47c380116a9046e8e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4FD0 | 9156 bytes |
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