MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to a redirector service. The primary malicious URL identified is ttraff.com, which is known for malicious redirection. The document body is heavily obfuscated and contains a reference to the same malicious URL, suggesting an attempt to disguise the malicious intent. The presence of numerous links to external PDFs, many hosted on Shopify, indicates a link farm strategy to potentially distribute malicious content or SEO manipulation.
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=service+management+operations+strate
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/5211/3820/files/bedford_guide_for_writing_tutors.pdf
- https://cdn.shopify.com/s/files/1/0434/3998/0710/files/47105916333.pdf
- https://cdn.shopify.com/s/files/1/0435/3412/3160/files/road_challan_format_in_gst.pdf
- https://cdn.shopify.com/s/files/1/0432/3534/4539/files/bejofev.pdf
- https://static.usrfiles.com/ugd/8d57bd_3adf3cf2759e48c5a16fa964da6cc935.pdf
- https://static.usrfiles.com/ugd/191a6d_c712979813474a7b861fd3e36777c300.pdf
- https://cdn.shopify.com/s/files/1/0441/2506/1272/files/evaluating_algebraic_expressions_word_problems_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0428/5592/3878/files/hbs-_750_manual.pdf
- https://cdn.shopify.com/s/files/1/0429/2624/3996/files/brm_book.pdf
- https://cdn.shopify.com/s/files/1/0431/3006/0955/files/ratuzivetemowivutegi.pdf
- https://cdn.shopify.com/s/files/1/0433/3826/8827/files/diruludopozojukuwosebuzo.pdf
- https://cdn.shopify.com/s/files/1/0437/7464/0286/files/vevaturepojejipukever.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_off000047f5.bin7431ff65788ddfeb51ed43b8138e4f083ff2631046b6e8097e6b63eb88eb8aac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x47F5 | 5384 bytes |
font_01_sfnt_off00005a34.bin090be6976b1104532e9341cbc1cc25049b385e7b06773874cca121cd944b9b0d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A34 | 9748 bytes |
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