MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to Shopify domains, which is indicative of a link farm designed to manipulate search engine results or deceive users. One critical heuristic identified a link to a known malicious redirector, ttraff.com, further supporting the malicious intent. The ML classifier also strongly flagged this PDF as malicious.
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=multiplication%20table%20sheets%20pdf In PDF document text
- http://files.caryncoville.com/uploads/1/3/0/8/130873979/lagifupizulimel.pdfIn PDF document text
- http://files.kingdomdetail.com/uploads/1/3/0/7/130739621/e1e76.pdfIn PDF document text
- http://files.christinepr.co.uk/uploads/1/3/1/3/131380345/bopidetujigexerever.pdfIn PDF document text
- http://files.orderdipped.com/uploads/1/3/2/3/132302810/faxevewunux-kejiredinuriri-fasetebakusa.pdfIn PDF document text
- http://files.lifestyleofthebeliever.org/uploads/1/3/2/3/132303134/daxopeko.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/1/0429/4190/7100/files/punibuvo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/67572949107.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/96672573922.pdfIn PDF document text
- https://rilasam.files.wordpress.com/2020/07/sozuja.pdfIn PDF document text
- https://pelakejabe.files.wordpress.com/2020/07/tenajerulabax.pdfIn PDF document text
- https://wakinaga.files.wordpress.com/2020/07/juvakivejivibijasoza.pdfIn PDF document text
- https://xokapuv.files.wordpress.com/2020/06/71845821240.pdfIn PDF document text
- https://suwifiwiru.files.wordpress.com/2020/07/dofitusodiv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4683/8176/files/90742323116.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/50398535586.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2658/6519/files/78355579636.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pagujusevidunevaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2398/3001/files/nosafinug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2341/8019/files/jofazazibutegozikofiwaka.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4622/4551/files/7967709748.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3901/4562/files/mejiwimulevusenewikebok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8038/4674/files/99594757674.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_off000076e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76E7 | 5176 bytes |
SHA-256: 4e94d36ef5a12da1874cc32fec5d472efdc2110446427066dfc73bea3f063d91 |
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font_01_sfnt_off00008873.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8873 | 10216 bytes |
SHA-256: 44763ea14df5db6431b85e5527f1f21cdac2b585d91b236b4fb4184dd7ba9429 |
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