MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF document contains a mass of external links, many of which are disguised as book downloads. One prominent link, 'https://ttraff.ru/pify?keyword=data+analysis+book+pdf', is identified as a malicious redirector. This suggests the document's primary purpose is to lead users to malicious sites through a link farm, likely for further exploitation or phishing.
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=data+analysis+book+pdf
- http://files.wicollaborative.org/uploads/1/3/1/4/131406510/4366142.pdf
- http://files.wingsofhopemankato.com/uploads/1/3/1/8/131871642/67edb0e.pdf
- http://files.remembering-the-past.com/uploads/1/3/1/4/131453465/bekaz-rilimu-pinanenutenofoz.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/7471/4784/files/32542257482.pdf
- https://cdn.shopify.com/s/files/1/0431/8488/1824/files/xamenoxolamu.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/51025654711.pdf
- https://cdn.shopify.com/s/files/1/0438/2310/4160/files/biraseguwogekerime.pdf
- https://cdn.shopify.com/s/files/1/0438/8651/0232/files/2825468711.pdf
- https://cdn.shopify.com/s/files/1/0440/8098/8325/files/60931199573.pdf
- https://cdn.shopify.com/s/files/1/0434/3303/3877/files/gesibemogakaxab.pdf
- https://cdn.shopify.com/s/files/1/0440/2734/7109/files/82083464338.pdf
- https://cdn.shopify.com/s/files/1/0436/2004/0866/files/86890199303.pdf
- https://cdn.shopify.com/s/files/1/0435/8995/9839/files/dokuvagaga.pdf
- https://cdn.shopify.com/s/files/1/0437/9469/4304/files/74286970487.pdf
- https://cdn.shopify.com/s/files/1/0437/2765/0970/files/accounting_rate_of_return_problems_and_solutions.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_off00006682.bin5e954b1cacfff712259bb12084c8e52deab11cab00abdff956ce0e862eb4ffb2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6682 | 5244 bytes |
font_01_sfnt_off0000787d.bine9aeef48fcf192f84e395af415087baa0c1c0000a5256fb1fa842d5bef5ad7dd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x787D | 10760 bytes |
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