MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.cc'. This URL is likely part of a phishing or malware distribution chain. The document body, though heavily obfuscated, also contains this URL and numerous other links to PDF files hosted on Shopify, suggesting a link farm or content stuffing technique. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
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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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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.cc/wix?keyword=step+11+aa+big+book
- https://cdn.shopify.com/s/files/1/0434/1583/0695/files/pusexijaxatisorefodebi.pdf
- https://cdn.shopify.com/s/files/1/0438/2405/4432/files/punctuation_marks_worksheet_for_high_school.pdf
- https://cdn.shopify.com/s/files/1/0435/1537/9880/files/banking_service_chronicle_june_2020.pdf
- https://static.usrfiles.com/ugd/b8c837_fa5618555b194b2882f6d66162cbb146.pdf
- https://static.usrfiles.com/ugd/d78803_f26b107fc6a6448895871de8a93a7b4f.pdf
- https://cdn.shopify.com/s/files/1/0428/1463/6198/files/proyecto_de_azoteas_verdes.pdf
- https://cdn.shopify.com/s/files/1/0434/4669/8146/files/6935952222.pdf
- https://cdn.shopify.com/s/files/1/0437/1959/0056/files/flask_render_template_jsonify.pdf
- https://cdn.shopify.com/s/files/1/0435/9559/5938/files/35754713813.pdf
- https://static.usrfiles.com/ugd/3b47cb_eba3418075d14de5aa94a23343aab981.pdf
- https://static.usrfiles.com/ugd/225520_107dc6bc701a499bbd2797efaa8d61fe.pdf
- https://static.usrfiles.com/ugd/f967ac_cb65bc55d02e49f9b4a5388b120271ff.pdf
- https://static.usrfiles.com/ugd/7c3584_bac2a60452e9447fb2dd1bcf5f969ea0.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 |
|---|---|---|---|
stream_005_off000092f9.bin4011a38423f71a37276f219537390f14e5c60a3e4b76cf279bccb2b490410f84 |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x92F9 | 19224 bytes |
font_00_sfnt_off00005fd0.bin283163ef44fd95df84ccee83c47a0d66daa1c861431a763a36f0307dc5153347 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FD0 | 5040 bytes |
font_01_sfnt_off00007111.bincd8b275fa68bda48a393449239815db028d4a3e7a765e45392307054d018e1f4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7111 | 9836 bytes |
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