MALICIOUS
128
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to ttraff.ru. It also exhibits a PDF link farm heuristic, indicating a large number of outbound links, many hosted on Shopify. The document body, though heavily obfuscated, contains the URL and text related to 'irregular verbs exercises advanced pdf', suggesting a lure. 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.ru/wb?keyword=irregular%20verbs%20exercises%20advanced%20pdf
- http://files.stonehillkennels.com/uploads/1/3/2/6/132681698/javisonasajifijorilo.pdf
- http://suwad.tigermushroomfarms.com/uploads/1/3/0/8/130814921/21bb438cd42.pdf
- http://files.brookesummers.blog/uploads/1/3/0/9/130968996/zolanax.pdf
- http://files.seancotton.com/uploads/1/3/2/6/132683088/a819c.pdf
- http://files.kbassokinesiology.com/uploads/1/3/1/4/131437418/84af0ebff.pdf
- https://cdn.shopify.com/s/files/1/0439/8622/3262/files/vuzojogoza.pdf
- https://cdn.shopify.com/s/files/1/0434/1340/5850/files/bugunidomad.pdf
- https://cdn.shopify.com/s/files/1/0435/6158/2755/files/jokewetoloridomuze.pdf
- https://cdn.shopify.com/s/files/1/0433/0497/6548/files/vibomurekowinokenojenabim.pdf
- https://cdn.shopify.com/s/files/1/0434/6534/3126/files/gary_auto_clicker.pdf
- https://cdn.shopify.com/s/files/1/0432/6345/9486/files/wovoko.pdf
- https://cdn.shopify.com/s/files/1/0429/7093/9541/files/62803234146.pdf
- https://cdn.shopify.com/s/files/1/0431/4460/9943/files/sobufa.pdf
- https://cdn.shopify.com/s/files/1/0433/0445/2246/files/bovupikikiwojexowusosoja.pdf
- https://cdn.shopify.com/s/files/1/0433/7418/2563/files/kuvozebin.pdf
- https://cdn.shopify.com/s/files/1/0430/6498/3703/files/jeguxulufamabab.pdf
- https://cdn.shopify.com/s/files/1/0430/8746/2551/files/85619344636.pdf
- https://cdn.shopify.com/s/files/1/0438/7792/5019/files/kiximofeviveruz.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_off000054d9.bin0684cc55dbb7ea36a716d5ad2645963df4189e8227bb7a317befac9b1b02f327 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x54D9 | 5528 bytes |
font_01_sfnt_off000067bd.bin663fb41942d1038e4b7d8637ed49023bd614d3a626c7fe3fbc785e1feeb1b8d0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67BD | 10320 bytes |
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