MALICIOUS
120
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded links, a common tactic for redirecting users to malicious sites. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' and 'PDF_SEO_LINK_FARM' indicate that the document is designed to funnel traffic to potentially harmful URLs, disguised with keywords like 'kindergarten teacher introduction letter to parents sample'. The presence of a redirector link and a large number of SEO-optimized PDF links strongly suggests a phishing or malware distribution attempt.
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.link/wix?keyword=kindergarten+teacher+introduction+letter+to+parents+sample
- http://gipagal.lethbridgeelectrical.com/uploads/1/3/0/7/130776783/079b902.pdf
- http://files.dmet87.com/uploads/1/3/1/0/131070374/c1d5575f97970ca.pdf
- http://duxax.mistynielsenphotography.com/uploads/1/3/0/8/130874617/vevuwodi-kemupobuz-digabewixafuze-barazomizi.pdf
- http://files.natashahoffmanbooks.com/uploads/1/3/1/4/131438313/sarodixe.pdf
- http://files.semmanuelchambers.com/uploads/1/3/1/4/131407493/6bda171c2a.pdf
- https://44e8b367-aac6-4b54-9794-8b81787e9110.filesusr.com/ugd/64f9d2_f65f09dad2fe4cba9896fee49a57444a.pdf?index=true
- https://09aa5add-e984-4327-b960-54832db9def9.filesusr.com/ugd/dbbfd0_3e3444fa6ad44bf4b5c0ae0340139c4d.pdf?index=true
- https://36f9dca8-c263-48aa-8596-82a67e9f3c47.filesusr.com/ugd/0cd019_ed9f732b0a684550a2981a8a992f31b3.pdf?index=true
- https://1aba1f5c-ee00-49b1-9f7f-fca32890d74b.filesusr.com/ugd/485053_7d435c5d7fcd4fad8b74d5229b372f71.pdf?index=true
- https://f86e02cd-898f-485b-9f46-b6e217871c2a.filesusr.com/ugd/11f207_0ddbba132ecc4e16a062696ebf490ab0.pdf?index=true
- https://359b8e96-a2a3-4949-9248-8229e9f87755.filesusr.com/ugd/21a131_0f03471a2df9418daf930e2dfa7c57ee.pdf?index=true
- https://d15d7e92-d08f-4839-b42b-478f820624ea.filesusr.com/ugd/868401_2eea73a614be4f81a407ac8d2ce2e9b1.pdf?index=true
- https://77f28b94-51e3-4c6f-9a48-55d1e53be8f2.filesusr.com/ugd/5b9a87_70c879cf620e4ba992db2e871c6029ce.pdf?index=true
- 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006248.bin66f08cf0ea18eba6e5a1a6acf3bf606769b5a8f07f8b23a3d23d74a5b595e507 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6248 | 5336 bytes |
font_01_sfnt_off00007436.bin0291ab607cfeee45c865d6c7d0978c775e54cc76c6122283caa28f395b4ea35e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7436 | 10220 bytes |
font_02_sfnt_off000096ec.bin0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x96EC | 4324 bytes |
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