MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with at least one pointing to a known malicious redirector. The document body, though partially corrupted, includes the URL 'https://ttraff.club/pify?keyword=atrial+myxoma+guidelines', suggesting a lure related to medical guidelines. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' confirms the malicious nature of these links. The presence of a large number of external PDF links also indicates a link farm, a common tactic for SEO poisoning and traffic redirection.
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.club/pify?keyword=atrial+myxoma+guidelines
- http://files.twoforestplaza-leasing.com/uploads/1/3/1/3/131378921/2856213.pdf
- http://fesawix.tidygardensfencing.com/uploads/1/3/1/3/131384169/2839410.pdf
- http://files.davertskate.com/uploads/1/3/0/7/130739462/44d127c5ea638a.pdf
- http://dofap.challenge2grow.be/uploads/1/3/0/8/130873998/fujiwesotafa.pdf
- http://files.eventsbyjade.com/uploads/1/3/0/7/130739483/7f2f6.pdf
- http://files.estellessweetitchblankets.com/uploads/1/3/1/4/131409170/tixavaxanepuluxuvit.pdf
- http://files.happyyouarehere.life/uploads/1/3/2/3/132303337/tuvatusokokakamop.pdf
- http://lakerev.pamelaarmstronggallery.com/uploads/1/3/0/7/130776693/mumugafetixugu.pdf
- http://files.event
- https://cdn.shopify.com/s/files/1/0463/3214/9915/files/pelowelijeraza.pdf
- https://cdn.shopify.com/s/files/1/0436/7928/5401/files/the_smallest_dragonboy_short_story.pdf
- https://cdn.shopify.com/s/files/1/0431/2868/4701/files/vepuruvitu.pdf
- https://static.usrfiles.com/ugd/a44510_34e1edd8bd11453d9e2deed04d1434bf.pdf
- https://static.usrfiles.com/ugd/dcfb95_b5fe5be91e96485785957d4dfbdd1bf6.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_off0000792a.bin3aa4176bff074eae6baaf6a93f38f7153c34de3f44efdfe243a598e6c919312e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x792A | 5304 bytes |
font_01_sfnt_off00008b29.bin58aaed61eebef58028c5b9cf536fdda539c8fbda2771a0813fcce2d407029b63 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B29 | 11360 bytes |
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