MALICIOUS
128
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 Malicious Link
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.ru'. Additionally, it exhibits characteristics of a PDF link farm, with numerous links pointing to external PDFs, many hosted on Shopify. The presence of a 'download button' heuristic suggests a lure to encourage user interaction. The document body, though heavily obfuscated, contains text related to 'answer key download', indicating a potential phishing or scam pretext.
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/pify?keyword=rrb+alp+answer+key+2020+download+pdf+free+download
- http://files.troop323bsa.com/uploads/1/3/0/7/130775675/kewejakupasakidal.pdf
- http://files.richlandchurch.com/uploads/1/3/0/8/130874567/1368173.pdf
- http://files.halldavismarketing.com/uploads/1/3/0/7/130739060/3d88c12.pdf
- http://files.bscapitalmarkets.com/uploads/1/3/2/6/132683330/9544244.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rejumaxerufu.pdf
- https://cdn.shopify.com/s/files/1/0430/5921/6537/files/81541002503.pdf
- https://cdn.shopify.com/s/files/1/0427/4490/5884/files/9604763781.pdf
- https://cdn.shopify.com/s/files/1/0432/7342/0965/files/vodunin.pdf
- https://cdn.shopify.com/s/files/1/0433/4161/1173/files/66663158894.pdf
- https://cdn.shopify.com/s/files/1/0431/1724/8672/files/55097482070.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/82191842179.pdf
- https://cdn.shopify.com/s/files/1/0433/7840/9622/files/62331640677.pdf
- https://cdn.shopify.com/s/files/1/0432/2007/4663/files/12354694374.pdf
- https://cdn.shopify.com/s/files/1/0437/0199/3622/files/lexomenanijidetidaruzuri.pdf
- https://cdn.shopify.com/s/files/1/0431/2779/9970/files/luputifamefaguxuxafa.pdf
- https://cdn.shopify.com/s/files/1/0433/1179/2286/files/20046339323.pdf
- https://cdn.shopify.com/s/files/1/0437/3915/2536/files/degagugebikas.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/
- https://cdn.shopify.com/s/files/1/0432/7342/0965/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007036.bin9d6ca7d6f42f653cd35f9a95fc802fa413ab0e91faa28f1ce117a4dcadca2a73 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7036 | 5372 bytes |
font_01_sfnt_off00008292.bin09cf2df7daf5612f5da1c0925596a9bf32578fb116cfaeb3d68bc2e6d69b27a2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8292 | 13752 bytes |
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