MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a critical heuristic firing for linking to known malicious redirector infrastructure, specifically 'https://ttraff.cc/pify?keyword=biogas+production+procedure+pdf'. Additionally, it exhibits characteristics of a PDF SEO link farm, embedding numerous external links, with one pointing to 'https://cdn.shopify.com/s/files/1/0427/4746/1788/files/64904356554.pdf'. The ML classifier also strongly flagged this PDF as malicious.
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=biogas+production+procedure+pdf
- http://files.almamusicandartsfest.org/uploads/1/3/1/0/131069789/710708.pdf
- http://files.otterponds.ca/uploads/1/3/0/7/130776058/gugipuvudut.pdf
- http://files.alisonrcheah.com/uploads/1/3/2/6/132696249/lugoku_vamefakiweked.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0427/4746/1788/files/64904356554.pdf
- https://cdn.shopify.com/s/files/1/0432/2007/4663/files/bibagemize.pdf
- https://cdn.shopify.com/s/files/1/0431/2865/1938/files/2005_polaris_sportsman_500_ho.pdf
- https://cdn.shopify.com/s/files/1/0434/0436/1895/files/5719627529.pdf
- https://cdn.shopify.com/s/files/1/0428/6991/5814/files/arduino_cnc_shield_v3_tutorial.pdf
- https://cdn.shopify.com/s/files/1/0434/2936/3878/files/11646517173.pdf
- https://cdn.shopify.com/s/files/1/0434/0501/7238/files/14577823047.pdf
- https://cdn.shopify.com/s/files/1/0428/6060/9692/files/15367526412.pdf
- https://cdn.shopify.com/s/files/1/0431/4431/5029/files/79330449318.pdf
- https://cdn.shopify.com/s/files/1/0429/9954/6009/files/xulunanemojosex.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_off00007797.binda0a78817b0a23340f6588b90198b70349f966069306d014b81e84c588fce34a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7797 | 5340 bytes |
font_01_sfnt_off000089db.bin2bec09c36718057facf0307360e7800022e6a4f25adcec9d2b60dd14349f59e2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x89DB | 10284 bytes |
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