MALICIOUS
150
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 domains associated with link farms and redirectors. One critical heuristic specifically identified a malicious redirector link. The document body, though heavily obfuscated, contains text related to 'kumon reading workbooks grade 5 pdf' and includes URLs that appear to be part of a SEO-based link farm strategy, aiming to lure users to potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
-
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.
-
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.
-
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=kumon+reading+workbooks+grade+5+pdf
- http://files.insideoutraining.co/uploads/1/3/1/6/131606605/4424275.pdf
- http://bagozazek.manateeconcertband.org/uploads/1/3/1/6/131636725/wisuwobikesubot_pixida_boritugeger.pdf
- http://files.cloquetpresb.com/uploads/1/3/1/4/131483097/tuwido.pdf
- http://files.chemungfire.com/uploads/1/3/1/3/131382696/vevedutepipu.pdf
- http://files.petersenacpcourses.com/uploads/1/3/0/7/130775245/aee3c25.pdf
- https://cdn.shopify.com/s/files/1/0433/1274/2550/files/kepimivesunemisonawud.pdf
- https://cdn.shopify.com/s/files/1/0433/6130/4744/files/mejodaxukezaf.pdf
- https://cdn.shopify.com/s/files/1/0431/2124/6359/files/bike_chassis_design.pdf
- https://cdn.shopify.com/s/files/1/0437/1264/3227/files/aircraft_design_a_conceptual_approach_daniel_p._raymer.pdf
- https://5a07d8b9-cfdf-4af8-a641-458a380757d7.filesusr.com/ugd/07ef24_dea36c04ba954b63bf78b2e55bb14e71.pdf?index=true
- https://d875afb0-7b39-4011-8847-85ccc75c10a0.filesusr.com/ugd/87ad98_725e04a6d9c24c40a3c0d558dd70f164.pdf?index=true
- https://356edb38-2ef6-48a5-9d2f-b7e675b4b9ce.filesusr.com/ugd/23a6c3_a2a4d485ce6c4709812d4482367375f4.pdf?index=true
- https://45c59edf-bbf5-4c75-8041-2b4adf4ea66b.filesusr.com/ugd/362633_ec225fb3913f47628bdc03cd21d27e9e.pdf?index=true
- https://19aa10bc-303f-4414-9144-12b8a078d100.filesusr.com/ugd/26481d_cbb63cceafb94361b1ecac6c8076d04e.pdf?index=true
- https://8a8670be-97ea-493a-abf8-e45afdf8d98f.filesusr.com/ugd/bd1fc0_453bda5e6203455db6eed1dc7842bcea.pdf?index=true
- https://93ab048b-e6e6-4d48-873e-3527461d8d22.filesusr.com/ugd/a98ecc_ac64b81b33674241b8ef6b212034d4f1.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004ba5.bin1b6aa1c236e0390e8e217d33e5a9be2421b66747cd76175f29b8882cee6142f7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4BA5 | 5720 bytes |
font_01_sfnt_off00005f14.bin731b6c31b4ade8da88245314e7c5e94a824a7984871e3fead86fe0869f706e78 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F14 | 9828 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.