MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded links, with at least one pointing to a known malicious redirector (ttraff.cc). The ML classifier also strongly indicated maliciousness. The document body is heavily obfuscated and contains metadata suggesting it was generated by wkhtmltopdf, a tool often used to create malicious PDFs. The primary attack pattern appears to be a link farm designed to lure users to malicious sites.
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/pify?keyword=bandura+observational+learning+pdf
- http://files.mollyshappytrail.com/uploads/1/3/1/3/131381722/f380d17dba2a231.pdf
- http://files.unitedmediasolutions.info/uploads/1/3/2/7/132710791/nuganikowavo.pdf
- http://files.monarchaccountinggroup.com/uploads/1/3/1/6/131636825/2906a68865.pdf
- http://files.dawnasdesignthreads.com/uploads/1/3/1/6/131606411/fc411e9e90.pdf
- http://files.monarchaccountinggroup.c
- https://cdn.shopify.com/s/files/1/0435/2140/9184/files/78802190032.pdf
- https://cdn.shopify.com/s/files/1/0434/5197/3794/files/15208616641.pdf
- https://cdn.shopify.com/s/files/1/0434/1530/6405/files/34094231262.pdf
- https://cdn.shopify.com/s/files/1/0432/6067/4198/files/9328465983.pdf
- https://cdn.shopify.com/s/files/1/0433/6379/5094/files/155864449.pdf
- https://cdn.shopify.com/s/files/1/0435/9307/2808/files/95597084781.pdf
- https://cdn.shopify.com/s/files/1/0436/8669/0969/files/35864430385.pdf
- https://cdn.shopify.com/s/files/1/0440/1243/7662/files/90605908948.pdf
- https://cdn.shopify.com/s/files/1/0433/5131/0488/files/68752712081.pdf
- https://cdn.shopify.com/s/files/1/0432/2299/1007/files/dipokid.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_off000080b7.bin39921c6dab2f231f81b119305a18170cf7b7d83ca48dee70361727e8c6fd0d8b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80B7 | 5340 bytes |
font_01_sfnt_off000092f1.bincd10b35035e8c3b64f8ad058f6fe5e6f0038d7c14912e833ba48116c8ca82b74 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x92F1 | 10436 bytes |
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