MALICIOUS
158
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains embedded JavaScript and multiple external links, with a critical heuristic firing for a malicious redirector. The primary malicious URL, 'https://ttraff.cc/pify?keyword=polyisocyanurate+insulation+board+data+sheet', is designed to redirect users to further malicious content. The document body, though partially corrupted, contains text related to 'Polyisocyanurate insulation board data sheet' and the wkhtmltopdf generator, suggesting a lure to disguise the malicious intent. The ML classifier strongly flagged this PDF as malicious.
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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=polyisocyanurate+insulation+board+data+sheet
- http://jolajego.nicolewijngaarden.com/uploads/1/3/1/4/131453574/dijiwanedesute_lujutegidi_vexapum.pdf
- http://files.belavistaalqueve.com/uploads/1/3/0/7/130775735/gufuja.pdf
- http://givefutu.pianowelder.com/uploads/1/3/1/6/131606260/1aef79122e86.pdf
- http://mevetugex.audreysaxton.com/uploads/1/3/2/8/132814930/9923561.pdf
- https://cdn.shopify.com/s/files/1/0434/1301/2637/files/pufisurivikasez.pdf
- https://cdn.shopify.com/s/files/1/0438/5472/5270/files/taxpayer_bill_of_rights.pdf
- https://cdn.shopify.com/s/files/1/0434/3015/0300/files/79802130902.pdf
- https://cdn.shopify.com/s/files/1/0429/0566/5703/files/rowasoxemowugebixavoro.pdf
- https://cdn.shopify.com/s/files/1/0432/8495/5300/files/vector_calculus_marsden_6th_edition_download.pdf
- https://cdn.shopify.com/s/files/1/0431/0230/6468/files/rekukafoliziparegi.pdf
- https://cdn.shopify.com/s/files/1/0431/5509/5712/files/zejekilabejitir.pdf
- https://cdn.shopify.com/s/files/1/0429/6874/4099/files/xavufonojojadokujefej.pdf
- https://cdn.shopify.com/s/files/1/0430/7592/8215/files/37931230933.pdf
- https://cdn.shopify.com/s/files/1/0436/6280/3097/files/bikini_body_guide_2._0.pdf
- https://cdn.shopify.com/s/files/1/0437/3970/9605/files/best_performance_basketball_shoes_for_wide_feet.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_off0000671c.bin8e975fa14b40eab1a5a1fdbb45bf5a3c4ec62dd5c8a4358e3082b065f76961ed |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x671C | 5268 bytes |
font_01_sfnt_off000078f4.bin4188b91f79426659bc55c9a2037fc684d1b9b37bfad1b37eb44968a642526bb8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78F4 | 10544 bytes |
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