MALICIOUS
128
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The PDF contains a large number of external links, many of which point to Shopify domains hosting other PDFs, suggesting a link farm for SEO manipulation. One critical heuristic identified a link to known malicious redirector infrastructure (ttraff.com). The document body, though heavily obfuscated, contains the same malicious URL and appears to be a lure for educational content, likely to trick users into clicking the malicious link.
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=spanish+english+cognates+worksheet+answers
- http://tubosixe.darbodus.com.au/uploads/1/3/0/8/130874063/1814bdbd63660.pdf
- http://bavumom.troop133.us/uploads/1/3/1/4/131406263/17153ddf59d24f.pdf
- http://nijew.maternitybabyacademy.com/uploads/1/3/2/6/132682883/6ca87dc5bae68.pdf
- http://files.claresouthworthflute.com/uploads/1/3/1/0/131069887/2410649.pdf
- http://files.kathleenmarchetti.com/uploads/1/3/2/8/132814250/xakipojo.pdf
- https://cdn.shopify.com/s/files/1/0438/3706/3328/files/refowivamawimexomuvusir.pdf
- https://cdn.shopify.com/s/files/1/0431/5460/4198/files/pazetepa.pdf
- https://cdn.shopify.com/s/files/1/0436/8351/2473/files/gestion_del_capital_humano.pdf
- https://cdn.shopify.com/s/files/1/0430/9378/6791/files/disorder_of_carbohydrate_metabolism.pdf
- https://cdn.shopify.com/s/files/1/0431/6640/0673/files/17608072048.pdf
- https://cdn.shopify.com/s/files/1/0431/5935/5558/files/wozibonujokavitovalumipur.pdf
- https://cdn.shopify.com/s/files/1/0434/0780/2518/files/56968141557.pdf
- https://cdn.shopify.com/s/files/1/0432/0192/1184/files/vifaxuzogavibemebu.pdf
- https://cdn.shopify.com/s/files/1/0429/7188/9815/files/gidufazususuxobuwi.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_off00005811.bin3e67743396a57e006820a4e515809dd6e9eb8b46755db031dadc05d143b2fa59 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5811 | 5456 bytes |
font_01_sfnt_off00006a9f.bin01a18e68efd7088f5d1e7e5f41f7bbfedf3d0d350ea1f99a9299529f63ec34d4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A9F | 10668 bytes |
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