MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded links, with a critical heuristic firing for a malicious redirector. The ML classifier also strongly indicated maliciousness. The document body text is heavily obfuscated but contains a URL that appears to be part of the link farm. The primary attack pattern involves a link farm, likely for SEO manipulation or to distribute further payloads.
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=github+io+pages
- http://files.triciabskincare.com/uploads/1/3/2/3/132302859/4884941.pdf
- http://files.raghuananthanarayanan.com/uploads/1/3/1/4/131437312/worojuwon.pdf
- http://files.housingnearihop.com/uploads/1/3/1/0/131069915/vamutidarinap.pdf
- http://files.kristineasselin.com/uploads/1/3/1/1/131164052/jikotefugofivikazas.pdf
- https://cdn.shopify.com/s/files/1/0429/6579/4965/files/26520986556.pdf
- https://cdn.shopify.com/s/files/1/0435/3510/6203/files/xomavifejujurel.pdf
- https://cdn.shopify.com/s/files/1/0430/0174/1463/files/gevixakawananek.pdf
- https://cdn.shopify.com/s/files/1/0432/5477/5970/files/alpha_symbol_mac.pdf
- https://cdn.shopify.com/s/files/1/0434/5469/3537/files/wigejabiduboxer.pdf
- https://cdn.shopify.com/s/files/1/0431/8298/1281/files/44361932616.pdf
- https://cdn.shopify.com/s/files/1/0428/4196/4710/files/muzova.pdf
- https://cdn.shopify.com/s/files/1/0433/4757/4949/files/21939432098.pdf
- https://cdn.shopify.com/s/files/1/0432/5546/4104/files/57104942809.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/romiket.pdf
- https://cdn.shopify.com/s/files/1/0433/5704/4904/files/18496816607.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000062fb.bin76af83249a9e70cb2f0ac4e0cffb6a1e222a9b8bc5e87f28eb4a21e69b21a403 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62FB | 5124 bytes |
font_01_sfnt_off0000746b.binbcd14a33f563dc63d102637bb90fc1c7cf02f1bc7b8dadb001021f02893ae815 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x746B | 13444 bytes |
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