MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass of external links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector infrastructure. The document body text, though garbled, includes "Denso spark plug pdf", suggesting a lure to disguise the malicious intent. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is designed to redirect users to harmful content.
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=denso%20spark%20plug%20pdf In PDF document text
- http://files.kateandricklewisphoto.org/uploads/1/3/0/7/130776388/mifebukobusu.pdfIn PDF document text
- http://files.lockhartnoonanchiropractic.com/uploads/1/3/1/1/131164428/rapebubibara.pdfIn PDF document text
- http://files.garykitecomputerservices.com/uploads/1/3/2/7/132712005/6173644.pdfIn PDF document text
- http://files.derwoodmarket.org/uploads/1/3/2/6/132681579/mibemotojevap.pdfIn PDF document text
- http://files.sleepytimelab.com/uploads/1/3/1/0/131069812/e44400847.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/1/0430/8821/6217/files/wixutijikepabu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5313/7576/files/wigerusalikarifori.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2020/5726/files/24549331722.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3355/1260/files/mevawojolinirajaz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7046/3912/files/digoxokonexekapexolo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2304/6555/files/xirajidenewaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3513/1036/files/exemplo_de_um_texto_expositivo_argumentativo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7515/7670/files/waxoguzosigolesetedulada.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0894/9402/files/class_javalaunchhelper_is_implemented_in_both.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2814/4543/files/tukatigajedofofunove.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1679/8883/files/stroke_physiotherapy_assessment_form.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3422/0456/files/fabiboxowigokizes.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_off00004e06.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4E06 | 5272 bytes |
SHA-256: 2bba8cb0957621beeb3c9900036f4ac26a6c6d96cdf75c2bc1446491824e0bb6 |
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font_01_sfnt_off00006002.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6002 | 12528 bytes |
SHA-256: ded115d033a4ca0eb02393143bdf2eb91914e0614130b9a7ee91e11b2c73bbec |
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