MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a heuristic firing for linking to known malicious redirector infrastructure, specifically `https://ttraff.club/wix?keyword=facebook+messenger+developer+guide`. It also exhibits characteristics of a PDF link farm, embedding numerous links to external PDFs, many hosted on Shopify. The document body, though heavily obfuscated, contains references to the malicious URL and the benign-looking "Facebook messenger developer guide" lure. The ML classifier strongly indicates 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.club/wix?keyword=facebook+messenger+developer+guide
- https:///webhook
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/9262/9917/files/51122939764.pdf
- https://cdn.shopify.com/s/files/1/0431/1046/5698/files/structural_and_functional_classification_of_joints.pdf
- https://cdn.shopify.com/s/files/1/0433/9872/5793/files/evansville_police_department_incident_reports.pdf
- https://cdn.shopify.com/s/files/1/0433/0595/9574/files/agile_coaching_competency_framework.pdf
- https://cdn.shopify.com/s/files/1/0431/9464/6689/files/vejetew.pdf
- https://static.usrfiles.com/ugd/e4f6f0_022b3d18deab4371a805e924c743bcbe.pdf
- https://static.usrfiles.com/ugd/7e6083_dbd2dcc4ac8c4fe0bcbf1f4072abbf37.pdf
- https://static.usrfiles.com/ugd/b8c837_b7f0dcd2498b4ed391d20b788fddc300.pdf
- https://cdn.shopify.com/s/files/1/0438/1130/7682/files/77847365445.pdf
- https://cdn.shopify.com/s/files/1/0429/2290/1663/files/photoshop_how_to_unlock_layer.pdf
- https://cdn.shopify.com/s/files/1/0437/5992/7448/files/19665442279.pdf
- https://cdn.shopify.com/s/files/1/0428/9291/8937/files/24587289395.pdf
- https://cdn.shopify.com/s/files/1/0433/8994/3971/files/simple_admin_template_bootstrap_4.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_off0000695f.bina6e8ae82e56ce4d55e9a0a6bd2416da4cd22db1ea7211b9cd5adb103b325de6d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x695F | 5612 bytes |
font_01_sfnt_off00007c61.bin55f9fe5ed3a16dde81c5dc2f4ddbfeb8fe6551c0a1dada242fd455961f4b24bf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C61 | 12116 bytes |
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