MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external resources, many of which are identified as part of a link farm and redirect to malicious infrastructure. The presence of a 'download button' lure and the ML classifier's high confidence score indicate a malicious intent to redirect users to potentially harmful content. While no scripts were explicitly extracted, the PDF structure and embedded links strongly suggest a social engineering attack.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.cc/pify?keyword=rational+software+architect+wiki In PDF document text
- http://files.glassandsticks.com/uploads/1/3/1/3/131381919/57493b477bd.pdfIn PDF document text
- http://files.bertpro.com/uploads/1/3/1/1/131164520/towedimaxan.pdfIn PDF document text
- http://files.mapleafdals.com/uploads/1/3/1/6/131607683/xaziposoxegi_jogumadanokaraz_gimowewis_lejoraru.pdfIn PDF document text
- http://files.hickoryridgeowls.org/uploads/1/3/2/7/132740553/9e903b27d1b96d.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/32732230761.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4273/4237/files/87588465986.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6798/8376/files/bupejotarefuje.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3913/7702/files/xujivowopinoguwurirew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3664/5275/files/12947373988.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3821/8152/files/45935317891.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sujaxitedidubabupopivup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7628/7645/files/vuzinovewuwo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8004/6997/files/josiwanegidozipital.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9832/4638/files/savudikivojimubi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3703/8494/files/zizigisizakemosexexat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0952/2339/files/wemelitupisurodonajopog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3103/6053/files/jaruvikivevasifoluso.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9864/5404/files/53028421112.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_off00006348.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6348 | 5132 bytes |
SHA-256: 3a200664aade92ed3a5d4a2323cc54d3d38da7c0f0bcf9e2c9757923184fc4b3 |
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font_01_sfnt_off000074d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74D2 | 10064 bytes |
SHA-256: 18b244d7de2142993aa8a62dbedce6e38acbe6acf6540818961e36bc90d8547d |
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