MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The primary malicious URL, 'https://ttraff.ru/pify?keyword=bulgarian+alphabet+online', is identified as a redirector. The document body, though heavily obfuscated, contains this URL and other links, suggesting a tactic to drive traffic to malicious infrastructure. The presence of a large number of external links points towards a link farm or SEO manipulation scheme, potentially to host or distribute further malware.
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=bulgarian+alphabet+online
- http://files.curbysickmonedu.com/uploads/1/3/1/3/131383456/ripinawexeve.pdf
- http://files.windhorseadvancedhealing.com/uploads/1/3/1/4/131437657/1108938.pdf
- http://files.westdesmoineslawncare.com/uploads/1/3/1/4/131438002/30e30e5.pdf
- http://files.mariedyerstudios.com/uploads/1/3/1/3/131380158/zeturojirovixuze.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/58933331969.pdf
- https://cdn.shopify.com/s/files/1/0434/7248/6564/files/nemoruxojupalarobenidu.pdf
- https://cdn.shopify.com/s/files/1/0433/9659/5870/files/53892609973.pdf
- https://cdn.shopify.com/s/files/1/0428/4828/8934/files/2727292125.pdf
- https://cdn.shopify.com/s/files/1/0438/1625/5650/files/37634663897.pdf
- https://cdn.shopify.com/s/files/1/0430/0115/1651/files/1759876619.pdf
- https://cdn.shopify.com/s/files/1/0431/9910/3136/files/dufavoxedo.pdf
- https://cdn.shopify.com/s/files/1/0431/6132/1634/files/10439773708.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rerotapok.pdf
- https://cdn.shopify.com/s/files/1/0431/4166/0826/files/15307710568.pdf
- https://cdn.shopify.com/s/files/1/0431/9094/3901/files/ie10-_viewport-_bug-_workaround._js.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_off00005cfa.bin51e01388f4e88058dc538305de523f649841cb0d416e76cccea3cad5266d6e87 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CFA | 5092 bytes |
font_01_sfnt_off00006e45.bin041b4b664b273abd4378b27144c865a907b936bef445e4c4f749bed08ab15bc3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E45 | 10520 bytes |
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