MALICIOUS
128
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.001 PowerShell
The PDF file contains multiple embedded links, with one critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text related to 'exercises pdf' and a download call-to-action, suggesting a lure. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm designed to distribute malicious content. The primary malicious IOC is the redirector URL.
Heuristics 4
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.com/pify?keyword=possessive+pronouns+english+exercises+pdf
- http://files.markmirabello.com/uploads/1/3/0/7/130776656/naxisabozuragawibelo.pdf
- http://files.sharedservicesct.com/uploads/1/3/1/3/131398475/nitak.pdf
- http://files.danielkies.com/uploads/1/3/1/4/131407227/8690a5.pdf
- http://files.danielkies.com/uploads/1/3/1/4/13140
- https://cdn.shopify.com/s/files/1/0431/2409/7175/files/70162597989.pdf
- https://cdn.shopify.com/s/files/1/0437/6294/2106/files/tawurutolireletojo.pdf
- https://cdn.shopify.com/s/files/1/0431/6273/0645/files/fiwovegarorufaz.pdf
- https://cdn.shopify.com/s/files/1/0428/4638/8380/files/40673474915.pdf
- https://cdn.shopify.com/s/files/1/0436/0595/0626/files/gokapefimawaxove.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/69143450337.pdf
- https://cdn.shopify.com/s/files/1/0433/6045/2760/files/93913843395.pdf
- https://cdn.shopify.com/s/files/1/0432/4920/5405/files/loxapub.pdf
- https://cdn.shopify.com/s/files/1/0430/0252/7895/files/28219180519.pdf
- https://cdn.shopify.com/s/files/1/0435/0256/7588/files/6080225425.pdf
- https://cdn.shopify.com/s/files/1/0430/5027/0869/files/13810700913.pdf
- https://cdn.shopify.com/s/files/1/0429/8155/6375/files/padaluzulobowek.pdf
- https://cdn.shopify.com/s/files/1/0433/5838/8374/files/nobigukuwetaj.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_off0000604e.bin589d07a19bbc2aa21ad00082a95e896864a9050669c1ec2d47569a7002b56496 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x604E | 5136 bytes |
font_01_sfnt_off000071c3.bin6c79f0de8f88129b8a49fc9c6f13499d5be53748f79b9defefea6ced825d48cb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71C3 | 10068 bytes |
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