MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, 'https://ttraff.cc/pify?keyword=peptic+ulcer+disease+pdf', which is presented as a medical PDF. The document also hosts numerous other PDF files on Shopify domains, likely as part of a link farm to improve search engine ranking for malicious content. The ML classifier strongly indicated maliciousness.
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/pify?keyword=peptic+ulcer+disease+pdf In PDF document text
- http://jadipukin.1mosaicsoul.com/uploads/1/3/1/4/131407005/739487.pdfIn PDF document text
- http://files.janine-kitzen.com/uploads/1/3/1/3/131380390/susagomonixurar_mexajogebaketuz_ninoma_zepexezerux.pdfIn PDF document text
- http://files.aplmuseumpasses.com/uploads/1/3/0/8/130813818/f8e857d.pdfIn PDF document text
- http://pilef.spiritualteapot.com/uploads/1/3/1/4/131407424/sijididigovob.pdfIn PDF document text
- http://dolodud.shopraebtq.com/uploads/1/3/0/7/130739415/bugepedotebi.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/1/0431/1239/9009/files/toyota_corolla_2013_service_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2508/8168/files/99968183734.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5103/8358/files/dufazizikevumapodog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2432/6564/files/caterpillar_generator_operation_and_maintenance_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1898/4352/files/busqueda_y_recoleccion_de_informacion.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6392/7203/files/kopetowowimabufol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7182/2229/files/kokebelenupazugugiteleziw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8804/4442/files/lazinilufugaxemuzurabob.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9940/5977/files/fairy_tales_with_pictures_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/71061356311.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9937/4233/files/xuxabapovukowolonufa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8651/0232/files/87106206084.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3609/0273/files/tevogabimitekota.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_off00007496.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7496 | 5152 bytes |
SHA-256: ea561a478f17421da818a9a115bc935196e8c52cb9fc43912944dcbb9e458fda |
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font_01_sfnt_off00008626.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8626 | 10636 bytes |
SHA-256: 3beff5f9ff480e305b7a14e156ca2830c73a79b301fbc26bb44efb0ae84c443c |
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