MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains multiple embedded links, with one specifically pointing to a known malicious redirector. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK and PDF_SEO_LINK_FARM indicate a strong intent to lure users to malicious sites. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted, but the presence of numerous links suggests a delivery mechanism for further malicious content or phishing attempts.
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=cambridge+english+second+edition+advanced+trainer+answers+pdf
- http://files.esace.com/uploads/1/3/0/7/130775033/vokelofodux.pdf
- http://files.raymondbonterdesigner.ca/uploads/1/3/1/8/131856129/vagokojoba.pdf
- http://files.ashlandkitchenevents.com/uploads/1/3/1/4/131452880/wututab.pdf
- http://files.painsfireworks.net/uploads/1/3/1/4/131437984/0500239.pdf
- http://files.ashland
- https://cdn.shopify.com/s/files/1/0432/3377/1688/files/gigovusemazopata.pdf
- https://cdn.shopify.com/s/files/1/0428/5287/6455/files/fimewiranupovit.pdf
- https://cdn.shopify.com/s/files/1/0427/4411/9462/files/80876111065.pdf
- https://cdn.shopify.com/s/files/1/0437/1991/7717/files/kulodovetulanabobuve.pdf
- https://cdn.shopify.com/s/files/1/0434/7969/5526/files/jisoxut.pdf
- https://cdn.shopify.com/s/files/1/0431/2065/6545/files/nawomu.pdf
- https://cdn.shopify.com/s/files/1/0434/8670/7876/files/lowudidis.pdf
- https://cdn.shopify.com/s/files/1/0432/6401/6539/files/zebelam.pdf
- https://cdn.shopify.com/s/files/1/0431/0928/6042/files/lawadu.pdf
- https://cdn.shopify.com/s/files/1/0430/9532/6887/files/fazizanibejiwudejumig.pdf
- https://cdn.shopify.com/s/files/1/0437/5959/9765/files/45539217352.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_off00005658.bin343863fd6f37cec245d294a786028f21583d08da524577b408a918129b31087c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5658 | 5672 bytes |
font_01_sfnt_off00006986.binff1bcaa83b58a546d227c4f7f06b2ac3c2b53c37cbca37dcc07999143770e697 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6986 | 8560 bytes |
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