MALICIOUS
120
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of embedded links, many of which point to external PDF files, indicating a link farm. One of the primary links directs to a known malicious redirector. The document masquerades as an educational worksheet to entice users to click the malicious links.
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=exponential%20function%20properties%20worksheet
- http://files.supplydeskhavering.com/uploads/1/3/1/4/131453249/gudunarutosaxipob.pdf
- http://files.sarahelizabethpowell.com/uploads/1/3/1/6/131636914/b147f4.pdf
- http://files.forcesix.com/uploads/1/3/2/6/132683484/judizegexemarur.pdf
- http://files.laurencuddy.com/uploads/1/3/1/4/131407057/dutajuvejame.pdf
- http://files.bulldogconstructiondfw.com/uploads/1/3/0/7/130775018/kolijonubifo.pdf
- http://files.chilternyouthfootballleague.co.uk/uploads/1/3/0/9/130969809/samafag_bumojugasizirap_robif.pdf
- http://files.toblergymnastics.com/uploads/1/3/0/7/130776575/vodawor.pdf
- http://files.ikargb.co.uk/uploads/1/3/1/4/131409170/c416f2d8c877.pdf
- http://files.grimoirtua.com/uploads/1/3/0/7/130775134/wujutasasizezo.pdf
- http://files.benjhomes.com/uploads/1/3/1/4/131438570/2073772.pdf
- http://files.7akawati.com/uploads/1/3/0/8/130874451/piwafebulugurelafab.pdf
- https://biwapatevav.files.wordpress.com/2020/06/80437754164.pdf
- https://rirewiza.files.wordpress.com/2020/06/34100807409.pdf
- https://gozuwexoje.files.wordpress.com/2020/06/20413452850.pdf
- https://lililizita.files.wordpress.com/2020/06/17808113253.pdf
- https://datipat.files.wordpress.com/2020/07/purizesemidubodizu.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/78986196578.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/72890356131.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/4274895189.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/luvibuxunefipefijuli.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_off00005f7c.bin8181c17332826d4b3e2c710cc048004464ddb146218777600624a86bd209f106 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F7C | 5168 bytes |
font_01_sfnt_off0000711c.bind7bded676dedbef98ca78025bbc1eda3273492b2f86b6d40c28cd83761ecc247 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x711C | 14516 bytes |
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