MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous embedded links, with the primary URL identified as a known malicious redirector. The document body, though heavily obfuscated, contains references to 'html to pdf converter' and the tool 'wkhtmltopdf', suggesting a lure to disguise the malicious intent. The presence of a large number of external PDF links further indicates a link farm or redirection scheme.
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/pify?keyword=html+to+pdf+converter+outsystems
- http://files.thebambooretreat.com/uploads/1/3/1/4/131455283/967c71fc9b.pdf
- http://files.hhsmusicboosters.com/uploads/1/3/1/3/131398338/30bd3d7bb5d1f13.pdf
- http://files.sweetiescateringnc.com/uploads/1/3/2/7/132710624/gedilavigitakebijara.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/5181/8918/files/wavakoge.pdf
- https://cdn.shopify.com/s/files/1/0431/5152/4008/files/29353300012.pdf
- https://cdn.shopify.com/s/files/1/0437/8784/5790/files/srs_document_example.pdf
- https://cdn.shopify.com/s/files/1/0429/6186/2810/files/37625350913.pdf
- https://cdn.shopify.com/s/files/1/0432/2597/2904/files/fapotemiwapukepawu.pdf
- https://cdn.shopify.com/s/files/1/0435/1678/8890/files/weludapiragudatato.pdf
- https://cdn.shopify.com/s/files/1/0433/3849/8206/files/nawebume.pdf
- https://cdn.shopify.com/s/files/1/0435/7111/8235/files/98290854470.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/47948794002.pdf
- https://cdn.shopify.com/s/files/1/0433/9492/4694/files/68126038308.pdf
- https://cdn.shopify.com/s/files/1/0437/0527/0427/files/xowejefopuve.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_off00005184.bin945d72ea61099efffbe12256c933ff8a2278a81906575505b1c7573e2804b2fc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5184 | 5216 bytes |
font_01_sfnt_off00006338.bin0d29867455e56b6c06fb64a2636f11f3a785a01e10f80937383505349b5d4695 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6338 | 10664 bytes |
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