MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and contains a large number of embedded links. One of these links points to a known malicious redirector, and many others point to domains that appear to be part of a link farm designed to host numerous PDF files. The document body, though partially garbled, suggests a lure related to educational worksheets, likely to trick users into clicking the malicious links.
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.cc/wb?keyword=2%20digit%20division%20worksheets%20without%20remainders
- http://files.thetlacademy.shop/uploads/1/3/1/3/131384789/dupive-madelubupazape-dezarekinoza.pdf
- http://files.catherinebutlerart.com/uploads/1/3/1/3/131380001/salede_pozopovovodapat_vozijuw.pdf
- http://files.themoveablechurch.org/uploads/1/3/0/8/130874128/9175303.pdf
- http://files.communitychurchsheppey.com/uploads/1/3/0/8/130874318/49948dc.pdf
- http://files.graceub.com/uploads/1/3/2/6/132681404/6733747.pdf
- http://files.ataraxiaphotography.com/uploads/1/3/1/4/131455883/jazozixure.pdf
- http://files.whiteberrydrops.com/uploads/1/3/1/6/131637850/4914713.pdf
- https://vadobil.files.wordpress.com/2020/06/74010132414.pdf
- https://tetokipi117495025.files.wordpress.com/2020/06/kalizitumopekafa.pdf
- https://sapamuwuj.files.wordpress.com/2020/06/nifapijudaje.pdf
- https://bixipejepog.files.wordpress.com/2020/07/nuxef.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/38659434623.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/65069223210.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/37394074323.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nejoxalivivurotuzepebibus.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tikifulodu.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/medade.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xuwuvedalolavotidexetugom.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://cdn.shopify.com/s/files/1/0428/9835/8432/file
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000068c7.bin5397908a5ee0686546f36f9d99339316c8c7097bef3da5fec3871ec602e9d83d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68C7 | 5340 bytes |
font_01_sfnt_off00007ad2.binf2d1699d9dc3d7c1ab08298ef1b40b7b72b604870ae53690761ec91235558a62 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AD2 | 9856 bytes |
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