MALICIOUS
120
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to a link farm hosted on files.littlesharkandco.com. One of the primary links directs the user to a malicious redirector at ttraff.ru, which is likely used to funnel victims to further malicious content. The document body, though heavily obfuscated, contains the same URL as the primary malicious redirector, reinforcing the intent to lure users to malicious sites.
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/wb?keyword=explain%20biot%20savart%20law%20and%20its%20applications%20pdf
- http://files.littlesharkandco.com/uploads/1/3/0/7/130739769/470126.pdf
- http://files.shaftesburyyoungpeople.org/uploads/1/3/1/6/131637325/bigema.pdf
- http://files.rscareersupport.org/uploads/1/3/1/8/131871648/c3a5e85fdebeb12.pdf
- http://files.pdkualberta.com/uploads/1/3/1/4/131452794/d2861bd982.pdf
- http://files.425sqn.org/uploads/1/3/0/8/130814642/zotazaboma.pdf
- http://files.spamitzvah.com/uploads/1/3/1/3/131384789/2268709.pdf
- http://files.tengutaiko.com/uploads/1/3/0/8/130873830/328260.pdf
- http://files.adelaide-pilates.com/uploads/1/3/0/7/130739761/zijupepojumoviziwese.pdf
- http://files.agsoba-na.org/uploads/1/3/1/4/131456012/nexejepeza-vapuzag-zixivefega-jemigimot.pdf
- https://ditokixexup.files.wordpress.com/2020/06/27715165627.pdf
- https://kizutakogoz.files.wordpress.com/2020/07/wukememinakexemufepepuwo.pdf
- https://dasawiduved.files.wordpress.com/2020/06/rofumewedisigovajup.pdf
- https://rakelogexexo.files.wordpress.com/2020/07/56737770543.pdf
- https://mafegazavete460328079.files.wordpress.com/2020/07/mozofufefexutijafanesoji.pdf
- https://pelidabavigi.files.wordpress.com/2020/06/17681723630.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/
- https://kizutakogoz.files.wordpress.com/2020
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000916f.binb829fa7da0a68ade0d8b189dcb33c5293c47f766e9580f3c8946a1a8976c7789 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x916F | 5136 bytes |
font_01_sfnt_off0000a2f4.binc9b544bd8d56b1d3cee1e35fcced9707c5326fcf933cb3e94f1ed5de6dfdea7e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA2F4 | 15460 bytes |
font_02_sfnt_off0000d36e.binf49fba9a07d747c2aef75333049da5f6c2dc0df6e319fb1bc343e90b01369d66 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD36E | 16196 bytes |
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