MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a large number of embedded links, many of which point to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=basketball+scoresheet+form', which is flagged as malicious. The presence of a link farm and a malicious redirector suggests a phishing or malware distribution attempt.
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=basketball+scoresheet+form
- http://xenanujed.bestgatelatch.com/uploads/1/3/0/9/130969723/3cfc23.pdf
- http://files.rimrockmanagement.biz/uploads/1/3/2/7/132740501/lagusazuxujo_kedip_nexozi.pdf
- http://files.knowinghorse.com/uploads/1/3/1/3/131379113/9765755.pdf
- http://modugepen.robinetengineering.com/uploads/1/3/0/7/130776647/nipef-rokopiv-mizawuru.pdf
- https://cdn.shopify.com/s/files/1/0432/9635/8565/files/34882003791.pdf
- https://cdn.shopify.com/s/files/1/0435/5316/1367/files/cdf_of_max_of_uniform_random_variables.pdf
- https://cdn.shopify.com/s/files/1/0430/8323/5489/files/57878614044.pdf
- https://cdn.shopify.com/s/files/1/0428/7689/5398/files/45273984070.pdf
- https://cdn.shopify.com/s/files/1/0436/1220/9309/files/5279871994.pdf
- https://cdn.shopify.com/s/files/1/0431/0417/4233/files/network_administrator_interview_questions.pdf
- https://cdn.shopify.com/s/files/1/0431/7816/4387/files/empirical_labs_distressor_manual.pdf
- https://cdn.shopify.com/s/files/1/0431/0011/1009/files/mofuvinogazami.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005fb8.bine87ca212dfee2c57f902fb6a4d1f29253e78bd086cdb5acd53bc058808cea253 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FB8 | 5008 bytes |
font_01_sfnt_off000070bb.bin243886e40d4f42c752c98e09568d5520eef109700d94a00813c06b4e414d781e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70BB | 10068 bytes |
font_02_sfnt_off0000936a.bine9fe716c2abc985b12a899a49d5539e4e8be1b56d50c083b30290d85a2a7c848 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x936A | 16092 bytes |
font_03_sfnt_off0000a832.bind1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA832 | 4324 bytes |
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