MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a heuristic firing for a malicious redirector link, which is the primary indicator of maliciousness. The document body, though heavily obfuscated, contains text suggesting it is a worksheet answer key, likely a lure. The embedded URL points to a redirector that, in turn, leads to a link farm of other PDFs, indicating a broader campaign to distribute malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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=unit+1+worksheet+significant+figures+answers
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/91025233068.pdf
- https://cdn.shopify.com/s/files/1/0455/3523/2165/files/90312552482.pdf
- https://cdn.shopify.com/s/files/1/0430/9018/2304/files/51848591716.pdf
- https://static.usrfiles.com/ugd/11b39a_dbe451e8a3cf409d91fa2cd33a953492.pdf
- https://static.usrfiles.com/ugd/9cfd0a_b5de58cba94f48ffa5440c0e63735e7b.pdf
- https://static.usrfiles.com/ugd/191a6d_d90fd8e08e024ee3976d5e50a91bbe01.pdf
- https://static.usrfiles.com/ugd/4c1554_9128b553d3c94fa3b5faf4d02771a2df.pdf
- https://static.usrfiles.com/ugd/8acad3_a0c9e369d7a243baa661bcbda852d0f0.pdf
- https://cdn.shopify.com/s/files/1/0435/2029/5064/files/arma_3_tanks_dlc_guide.pdf
- https://cdn.shopify.com/s/files/1/0428/9105/1161/files/share_chat_app_status_video.pdf
- https://cdn.shopify.com/s/files/1/0427/4136/6951/files/sobugalopatuwuwajobagi.pdf
- https://cdn.shopify.com/s/files/1/0459/9313/2189/files/jetson_tx1_datasheet.pdf
- https://cdn.shopify.com/s/files/1/0465/3534/4287/files/menutunenofanemuwabiko.pdf
- https://static.usrfiles.com/ugd/ab63e3_935364955e0b49dbac05b3cf37c67dbb.pdf
- https://static.usrfiles.com/ugd/baef12_91ba3b37c6be47a29182033ae2f47bc2.pdf
- https://static.usrfiles.com/ugd/dc6899_15c5e3d84a7c4fee8d15033728b0b212.pdf
- https://static.usrfiles.com/ugd/b8c837_b738e5dffafc4076b03d0937c32119c3.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006498.bin6a996e2dd53bf2781308460aac02fa3d6affd1bb38a6596726adae3a73f75407 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6498 | 5192 bytes |
font_01_sfnt_off0000765c.bin0a7749c8dbe5a91dd6b44131e77ecfbb7d38ea7a31b43436243db4d97fee931b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x765C | 10192 bytes |
font_02_sfnt_off0000993d.bina542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x993D | 4324 bytes |
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