MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a large number of embedded links, many of which point to a redirector service. The document body suggests a lure related to a school calendar template, likely intended to trick users into clicking the malicious links. The primary malicious URL identified is https://ttraff.cc/wix?keyword=2019-+20+school+calendar+template, which is flagged as a known malicious redirector. The ML classifier also strongly indicated maliciousness.
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=2019-+20+school+calendar+template
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zebegevuda.pdf
- https://cdn.shopify.com/s/files/1/0431/7990/1096/files/bash_check_if_variable_is_empty.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sitomomuwarusubewikujo.pdf
- https://static.usrfiles.com/ugd/23e9be_35c493f7fe04405f81ff930e3cbe99d0.pdf
- https://static.usrfiles.com/ugd/09273f_0bc9ea0ee8074ebd9e7b2c2462dd981e.pdf
- https://static.usrfiles.com/ugd/4cf28d_606bbdec735543819c74c04ac44aeda9.pdf
- https://static.usrfiles.com/ugd/8acad3_dfb87b28fb204ac89d848a692936c519.pdf
- https://static.usrfiles.com/ugd/b7306e_396b950f73c84ea6b25c7ae311362e07.pdf
- https://cdn.shopify.com/s/files/1/0432/8731/4590/files/23309591659.pdf
- https://cdn.shopify.com/s/files/1/0433/0140/4830/files/the_duff_subtitles_online.pdf
- https://cdn.shopify.com/s/files/1/0430/1740/4573/files/banking_terms_gradeup.pdf
- https://static.usrfiles.com/ugd/0c4177_227070699a5b444ba909dc401f1c79ad.pdf
- https://static.usrfiles.com/ugd/e2c6c1_8d85d62e953f4169be0991bd8c4b1a75.pdf
- https://static.usrfiles.com/ugd/40512e_05a1f50953eb4f6989d0324486c94524.pdf
- https://static.usrfiles.com/ugd/b8c837_e7dec993685842a59996048e02d31b77.pdf
- https://static.usrfiles.com/ugd/45e30f_71c36a0c3284454cbc51aace9a595ebe.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_off00005631.bine8feb332620ec99ee7fd07ea20942e20ca2a1467156a3b46b41f80d7f9b6332c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5631 | 5732 bytes |
font_01_sfnt_off0000698a.bin5ff48177e73b5c4458706bbcfa667527e0c0d31d23a6f005109936c09a13f4d4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x698A | 10372 bytes |
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