MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to external PDF files, suggesting a link farm or SEO poisoning tactic. One critical heuristic identified a link to known malicious redirector infrastructure at 'ttraff.com'. The document body, though heavily obfuscated, contains text related to a 'Bestek power converter manual', likely serving as a lure to encourage users to click the malicious link.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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/wb?keyword=bestek%20power%20converter%20manual In PDF document text
- http://files.dohotyoga.com/uploads/1/3/1/4/131406391/gitonanuteke.pdfIn PDF document text
- http://files.katarinatuffvesonjensen.com/uploads/1/3/2/7/132712369/1511650.pdfIn PDF document text
- http://files.primepropertiescebu.com/uploads/1/3/0/7/130738875/zovirujufufeso.pdfIn PDF document text
- http://files.switchbacktaco.com/uploads/1/3/2/7/132710491/tefivufuvudewavaved.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://nosuvul.files.wordpress.com/2020/07/6018047824.pdfIn PDF document text
- https://dabefime.files.wordpress.com/2020/07/rabufelekivoremab.pdfIn PDF document text
- https://muxizesuja.files.wordpress.com/2020/07/39809622684.pdfIn PDF document text
- https://letevotiva.files.wordpress.com/2020/06/9587380938.pdfIn PDF document text
- https://lavuxelo.files.wordpress.com/2020/07/topexa.pdfIn PDF document text
- https://mefarogaxubo.files.wordpress.com/2020/07/8790894834.pdfIn PDF document text
- https://jepanabukam.files.wordpress.com/2020/06/bujukemek.pdfIn PDF document text
- https://jadozex.files.wordpress.com/2020/07/lekezazetima.pdfIn PDF document text
- https://metexufo.files.wordpress.com/2020/07/dogafulisager.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4891/9450/files/9479579058.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/bobidaxida.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/72163988246.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0476/4068/files/roxopipowapofunun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4251/2797/files/wugikirinovakobesazenuz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4413/4294/files/wowidilug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3016/7202/files/37152095520.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6680/9765/files/46945581845.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7465/8216/files/25323643537.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008a01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A01 | 5180 bytes |
SHA-256: 03fd40ea801bc51fc60226fec457fe157327796d1d478e35fd3f9c225d0aa65e |
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font_01_sfnt_off00009ba3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9BA3 | 11040 bytes |
SHA-256: e664dae76caa1e5bc92f7e8682c922e267efa98026d641fd92b03696c506b097 |
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