MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains multiple embedded links, with one specifically pointing to a known malicious redirector. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' confirms this, indicating the document's primary purpose is to redirect users to malicious sites. The presence of a 'download button' heuristic further supports the lure-based attack pattern. The document body is heavily obfuscated, but the presence of the redirector URL is a strong indicator of malicious intent.
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.com/pify?keyword=architecture+without+architects+pdf In PDF document text
- http://files.unidadepastoral.com/uploads/1/3/1/4/131437351/195585ef.pdfIn PDF document text
- http://files.solez4real.net/uploads/1/3/1/4/131438056/banege-wuxutevovupim-dovutal.pdfIn PDF document text
- http://files.krittermall.com/uploads/1/3/2/7/132710753/58d1e24.pdfIn PDF document text
- http://files.iamwhatiart.net/uploads/1/3/1/4/131453924/3400365.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/1/0433/0687/7080/files/3294478915.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0281/4876/files/jedogilukojokarojewejut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4786/1928/files/54107632127.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7543/6698/files/suluzanosamarow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2479/3245/files/56383398902.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4042/3592/files/63465426330.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/2283550224.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4519/9784/files/54572246319.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1016/2837/files/50082668390.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9970/9855/files/zewope.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2537/5130/files/ponotatejoni.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/5371/7406/files/90528044639.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7005/3784/files/55968190212.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_off00006602.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6602 | 5292 bytes |
SHA-256: 87f4059cafc57a544bf832fb380303e5fe820af27bb34bc5580c618869d27750 |
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font_01_sfnt_off00007811.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7811 | 9940 bytes |
SHA-256: efdfe29dada7075a2d342a90d72095c8f5b839de5fe1795ca8b65010c702cd88 |
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