MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a critical heuristic firing for linking to known malicious redirector infrastructure, specifically a URL related to 'whatsapp video call recording'. The document body also contains this URL and numerous other links, suggesting a link farm or phishing attempt. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious redirector attack pattern.
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=whatsapp+video+call+recording
- http://files.northbaytheatrics.com/uploads/1/3/1/4/131483719/vafikodesige.pdf
- http://files.coffeesonme.com/uploads/1/3/1/4/131482941/nitizewerutefiz_fomiz.pdf
- http://files.countrysideanimalclinictooele.com/uploads/1/3/1/3/131380868/newufutuje.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/41841620016.pdf
- https://cdn.shopify.com/s/files/1/0438/1474/8322/files/fozixowati.pdf
- https://cdn.shopify.com/s/files/1/0431/6043/6887/files/lulabiwififiso.pdf
- https://cdn.shopify.com/s/files/1/0431/7665/7051/files/51449874748.pdf
- https://cdn.shopify.com/s/files/1/0436/4884/3934/files/porenutu.pdf
- https://cdn.shopify.com/s/files/1/0429/3731/9590/files/37897992908.pdf
- https://cdn.shopify.com/s/files/1/0429/3266/6524/files/arbor_buzzard_ffxiv.pdf
- https://cdn.shopify.com/s/files/1/0427/6820/3942/files/jesubofupasivonamego.pdf
- https://cdn.shopify.com/s/files/1/0434/9542/4165/files/cpa_2020.pdf
- https://cdn.shopify.com/s/files/1/0429/1916/6105/files/sezupozaxanubuv.pdf
- https://cdn.shopify.com/s/files/1/0433/0458/3318/files/75692906268.pdf
- https://cdn.shopify.com/s/files/1/0435/1682/1672/files/causes_of_anxiety_disorders.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_off00006485.bin80167e12e529de89c770d7a4e0c74841810f3ffd7bd0415526466499a4dd0ebd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6485 | 5408 bytes |
font_01_sfnt_off000076f9.bin08b3a7a748aa8c1e51c4244e579e994ee4a8a6e47d2d39223cc759202adcd083 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76F9 | 9856 bytes |
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