MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a critical heuristic firing indicating it links to known malicious redirector infrastructure. The embedded URL, 'https://ttraff.com/pify?keyword=arcoxia+90+mg+bula+pdf', is the primary indicator of this malicious activity. The document body, though heavily obfuscated, contains this URL, suggesting a social engineering lure. 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/pify?keyword=arcoxia+90+mg+bula+pdf In PDF document text
- http://files.fadwa.com/uploads/1/3/0/7/130775635/pobibewekovi_negagavune_zuwopixufi.pdfIn PDF document text
- http://files.troutcreekventures.com/uploads/1/3/0/8/130813768/bfc92e7594da.pdfIn PDF document text
- http://files.maidtoshineservices.net/uploads/1/3/1/4/131437268/29f33e.pdfIn PDF document text
- http://senoxuze.ehleringer.net/uploads/1/3/1/3/131398091/37638.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0429/6962/8828/files/mitsubishi_eclipse_service_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5425/0654/files/disadvantages_of_social_media_for_students.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8136/7712/files/lilaxesefirotipotox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6041/0021/files/87369405493.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vixegenosevisime.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vuxevitilikibuvenimomabu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2854/5693/files/87328404249.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kitona.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9422/8630/files/vikupaxapon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6356/5727/files/55077157035.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9454/0452/files/kamugebobuvasir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5816/7959/files/numetodesenaveraxosad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1405/4300/files/43680229006.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/1430/5430/files/88270010331.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mazimuzoxoku.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_off0001269f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1269F | 5368 bytes |
SHA-256: e6b7cfdd5591598f300a6cb4431be7595ff4d594728c9570dfb6b92bb6bf1bfc |
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font_01_sfnt_off000138cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138CF | 16440 bytes |
SHA-256: 9b622ad0395e5bc5ef233f44684e44aa68dc4a3a4ca74754491ccbad42bdad9b |
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font_02_sfnt_off00016aa6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16AA6 | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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