MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that lead to a redirector service, which in turn points to a PDF link farm. The document body, though partially corrupted, contains text related to medical guidelines and the malicious URL. This suggests a phishing or scam attempt to redirect users to potentially harmful content.
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=aha+guidelines+for+subarachnoid+hemorrhage
- http://dolifev.clubfitnessinspired.com/uploads/1/3/0/7/130776485/rifori.pdf
- http://files.whsptso.com/uploads/1/3/2/7/132740614/b4a0d28f78cf1.pdf
- http://files.nahanee.com/uploads/1/3/1/3/131398308/7507643.pdf
- http://zoguleto.josephhudson.com/uploads/1/3/1/3/131380930/2fce788694dac20.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/6042/7928/files/55130742735.pdf
- https://cdn.shopify.com/s/files/1/0430/8421/8532/files/jovogazuwese.pdf
- https://cdn.shopify.com/s/files/1/0437/3214/0186/files/31282989568.pdf
- https://cdn.shopify.com/s/files/1/0431/8960/0414/files/8630909385.pdf
- https://cdn.shopify.com/s/files/1/0438/8611/7019/files/48825323232.pdf
- https://cdn.shopify.com/s/files/1/0429/4973/8650/files/jujokurarumimusu.pdf
- https://cdn.shopify.com/s/files/1/0433/7077/4693/files/57122425063.pdf
- https://cdn.shopify.com/s/files/1/0434/6871/8242/files/petrified_dragon_bone.pdf
- https://cdn.shopify.com/s/files/1/0428/2250/0518/files/dagikugetigenagejaw.pdf
- https://cdn.shopify.com/s/files/1/0433/8201/4108/files/31813831586.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_off000065df.bin3871d07af484aa834d72b7cde333cf1084efa01e827a2afcc6b6d4a6f89a82ca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65DF | 5564 bytes |
font_01_sfnt_off00007897.bin1854150db9252115c00747869d34ac7539af7660e1dac96ce07116e79ca55625 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7897 | 10112 bytes |
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