MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links and text that direct users to a malicious redirector URL. The ML classifier strongly indicates malicious intent, and the presence of numerous external links, many pointing to Shopify, suggests a link farm or SEO poisoning tactic to distribute malicious content. No scripts were extracted, but the embedded URL is the primary indicator of compromise.
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=letter+of+recommendation+template+for+mba+student
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/1077/6478/files/physical_science_grade_11_study_guides.pdf
- https://cdn.shopify.com/s/files/1/0431/7259/3832/files/my_cg_song._com.pdf
- https://cdn.shopify.com/s/files/1/0430/9195/1769/files/mifito.pdf
- https://cdn.shopify.com/s/files/1/0438/8877/1227/files/jetemonupikovune.pdf
- https://cdn.shopify.com/s/files/1/0437/4337/9617/files/85628528494.pdf
- https://cdn.shopify.com/s/files/1/0434/8667/5108/files/17804354291.pdf
- https://cdn.shopify.com/s/files/1/0431/4228/3432/files/8476575964.pdf
- https://cdn.shopify.com/s/files/1/0432/7433/8454/files/ignou_b._ed_entrance_exam_2019_form.pdf
- https://cdn.shopify.com/s/files/1/0429/9243/5359/files/self_defense_techniques_pressure_points.pdf
- https://cdn.shopify.com/s/files/1/0434/2962/6017/files/61749468306.pdf
- https://cdn.shopify.com/s/files/1/0432/6172/2788/files/ansys_hfss.pdf
- https://static.usrfiles.com/ugd/9cc572_c2f0c58e828c419cad5ff6b984d9988f.pdf
- https://static.usrfiles.com/ugd/c20ea7_8a90d7e18a5e41868de4e56507bd9063.pdf
- https://static.usrfiles.com/ugd/cf79db_22769a7053654dd4a8e2f9cd326cef97.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_off000067f0.bin3408b0c65a944cbbfbe42c86f2eabda0ac385b0e6ee2f6d2d1bfebab7ace12f8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67F0 | 5384 bytes |
font_01_sfnt_off00007a18.bin988084c96ca86f4c1b7e42a293df08f27126575f09c5463170e652a00ea8ea74 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A18 | 9824 bytes |
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