MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link to a known malicious redirector, ttraff.link, which is designed to lure users into clicking on it. The document body, though heavily obfuscated, contains the same URL and appears to be a lure related to educational worksheets. The presence of numerous other links to PDF files, some of which are benign, suggests a link farm or SEO manipulation tactic to disguise the malicious intent. The ML classifier strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
-
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.
-
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.
-
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.
-
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=addition+subtraction+worksheet+for+class+4
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/1d5a3f_61497f768b1645be88df8c73c8fbaab1.pdf
- https://static.usrfiles.com/ugd/b8c837_0d398b0f79434bf4ac344646bc9b8364.pdf
- https://static.usrfiles.com/ugd/ac51ce_4b0ec03bf13e4bc582f71483ecb90fc7.pdf
- https://static.usrfiles.com/ugd/b8c837_f387e4aade1d4fa9b16ff9bab8f379b8.pdf
- https://static.usrfiles.com/ugd/5fd5c1_127dfb0557554fbaa45d8aedacd50204.pdf
- https://cdn.shopify.com/s/files/1/0464/3274/7672/files/dewalt_720_radial_arm_saw_manual.pdf
- https://cdn.shopify.com/s/files/1/0431/0056/9753/files/telejojozuwibigavurutuzo.pdf
- https://cdn.shopify.com/s/files/1/0433/7070/9142/files/3999998909.pdf
- https://cdn.shopify.com/s/files/1/0437/0232/1307/files/8_facts_about_barberton_makhonjwa_mountains.pdf
- https://cdn.shopify.com/s/files/1/0437/3744/8609/files/rectangular_form_calculator.pdf
- https://cdn.shopify.com/s/files/1/0436/7728/6553/files/23178941312.pdf
- https://cdn.shopify.com/s/files/1/0435/8085/0335/files/carpal_tunnel_syndrome_patient.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005a12.bin1cb6d79fbc52cf08b72cff959943512caeba55803d65635511a1d25f6e2d9064 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A12 | 5484 bytes |
font_01_sfnt_off00006cc9.bin0866623f3e4959d061b8476758072db0d40f1aaaa81b079ad92ad811fbaae69f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CC9 | 10468 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.