MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. This indicates a phishing attempt to redirect users to malicious infrastructure. The presence of numerous other PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to improve search engine visibility for malicious content. No scripts were extracted, limiting the analysis of further payload delivery.
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.cc/wb?keyword=kalendarz%20liturgiczny%202019%20pdf%20katowice In PDF document text
- http://files.wakefieldperformingarts.com/uploads/1/3/1/4/131437423/b65388ebed.pdfIn PDF document text
- http://files.backyardheavens.com/uploads/1/3/2/8/132816106/ridiloviv.pdfIn PDF document text
- http://files.rockymtnblueticks.com/uploads/1/3/0/9/130969313/pamugup-wonafiga.pdfIn PDF document text
- http://files.katsmodernizedhomedecor.com/uploads/1/3/1/4/131453484/sonumiwikibebazekubu.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/1/0431/0227/3697/files/jemuwoxijifivefudax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0313/4627/files/39005839944.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8381/7375/files/34389509743.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8102/3140/files/nilotelulupakasejo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0632/8995/files/38907248690.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7719/8229/files/77518955657.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6563/9069/files/4841046446.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3165/7624/files/68613009886.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9480/9512/files/how_to_mod_ps3.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4379/0760/files/47675297771.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5022/0185/files/vejoraluvuravonuto.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5522/6773/files/piano_music_theory.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3532/7653/files/mogudiz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8135/8759/files/26500322270.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ab27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAB27 | 5452 bytes |
SHA-256: 1dc82c178240d0899889260f9dee515d3f70e60b77c792b5043e47e8ad51b9cf |
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font_01_sfnt_off0000be29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE29 | 5904 bytes |
SHA-256: e196d2b7440d7186372100dcd45009a52ddded392c6819dd61f5685983f39e5b |
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font_02_sfnt_off0000d278.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD278 | 11360 bytes |
SHA-256: fff4deb5213e4b3ecfa6c01d30c19d4979450dca6c7c34bd2262d1ace306f811 |
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