MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to redirector infrastructure. The primary malicious URL identified is https://ttraff.ru/wix?keyword=cell+respiration+concept+map+answers, which is flagged as a malicious redirector. The document body, though heavily obfuscated, also contains this URL, suggesting an attempt to disguise malicious content with a seemingly educational topic. The presence of numerous external PDF links further supports the classification as a link farm designed to distribute malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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/wix?keyword=cell+respiration+concept+map+answers
- http://files.teddies-afrique.com/uploads/1/3/0/7/130775398/lotofimaw.pdf
- http://xuxina.columbiawildcatbands.com/uploads/1/3/1/3/131379362/wugupa.pdf
- http://kazanuk.ramiroberardo.net/uploads/1/3/1/3/131382271/luxalarabevimamok.pdf
- http://files.sathiavanee-veeramoothoo.com/uploads/1/3/1/8/131871891/jidutemepupaz.pdf
- http://gegevom.astleychurch.org/uploads/1/3/1/4/131437181/5301075.pdf
- https://176617b5-3648-4ded-874e-7d125e791c87.filesusr.com/ugd/defdb4_a77c7e687bd048e39a4bc4c6411fa9eb.pdf?index=true
- https://fd6fb098-a6e3-4052-ba04-b6cac29ffece.filesusr.com/ugd/90c678_c90512c386f9437a97cadc1bc20a5371.pdf?index=true
- https://8e05c4e1-5560-4b80-9bae-9d9bef75d0e9.filesusr.com/ugd/a2ebd8_c8e76a4848864e08a42e80db574aa41e.pdf?index=true
- https://686f6e0f-21fb-4543-b758-1153cdeb1e1f.filesusr.com/ugd/ee6100_672f26ed6d384e6dbb43d6c96280b0b5.pdf?index=true
- https://cdn.shopify.com/s/files/1/0429/8866/7034/files/jodupemudakapevisobuxewi.pdf
- https://cdn.shopify.com/s/files/1/0483/0317/7883/files/pulomoremapifavis.pdf
- https://cdn.shopify.com/s/files/1/0432/2433/4496/files/84440490788.pdf
- https://cdn.shopify.com/s/files/1/0440/3567/0166/files/occupational_therapy_cpt_codes_2019_cheat_sheet.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_off000045e7.bin1ac818224df7adae662c21388945789fe325a2ceb360d3bafcd6b03597ceb1d2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x45E7 | 5076 bytes |
font_01_sfnt_off0000571d.bin4a53c12232e5f56ea4ec887f17d002560decd567640c22748b9da6b4412b286a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x571D | 9808 bytes |
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