MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, one of which points to a known malicious redirector. The document body, though heavily obfuscated, appears to contain text related to a worksheet, suggesting a lure. The presence of numerous external PDF links, many pointing to Shopify, indicates a link farm used for SEO poisoning or distributing further malicious content.
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.com/wix?keyword=adding+and+subtracting+integers+number+line+worksheet
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/5621/7750/files/pioneer_avh_x5500bhs_parking_brake_bypass.pdf
- https://cdn.shopify.com/s/files/1/0430/2074/6906/files/nozesudaw.pdf
- https://cdn.shopify.com/s/files/1/0432/1165/3279/files/ganesh_atharvashirsha_sanskrit.pdf
- https://cdn.shopify.com/s/files/1/0439/0679/3627/files/93078401313.pdf
- https://cdn.shopify.com/s/files/1/0431/1570/8580/files/22003083029.pdf
- https://cdn.shopify.com/s/files/1/0431/0351/8887/files/84312638608.pdf
- https://static.usrfiles.com/ugd/2f8cea_d061676d11fd4894b264173af9aaa4c4.pdf
- https://static.usrfiles.com/ugd/b8c837_e76da3b2619f43ffb4ec599c2c8f5948.pdf
- https://static.usrfiles.com/ugd/d54300_e24184b76a8048e0b9640573f2f60cff.pdf
- https://static.usrfiles.com/ugd/af0aa9_53473694a04b4c8d988c40f52851f098.pdf
- https://static.usrfiles.com/ugd/e7e4a0_c212aba9724f4f0ba29346fb0c4a7ec3.pdf
- https://static.usrfiles.com/ugd/b8c837_3960b0e47166470a835d2421d50ee26f.pdf
- https://static.usrfiles.com/ugd/b8c837_f503b5c295b648b19252197c58d0108e.pdf
- https://static.usrfiles.com/ugd/b8c837_48ef981763f14e7cb887befc3eb6581d.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_off000063f8.bin4ef745cebd2a04a8b7004b995a6030d364e59f3cb6d67dd4757f0498cc44afc6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63F8 | 5640 bytes |
font_01_sfnt_off0000770b.bin719e2a9eb32f3130aa375f82d43fa68afb959ad8048ef411dfb8aeff7b3919c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x770B | 10740 bytes |
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