MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links, with one critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the URL "https://ttraff.ru/pify?keyword=tin+tin+pdf", which is likely intended to redirect the user to a malicious site. The PDF also contains a mass external PDF link farm, with the first URL being "https://cdn.shopify.com/s/files/1/0432/7853/2758/files/widobonikutolix.pdf".
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.ru/pify?keyword=tin+tin+pdf In PDF document text
- http://files.lidgettandbeyond.org/uploads/1/3/1/3/131398134/rodenak_jugagisedopujon_banere.pdfIn PDF document text
- http://files.austriangallery.com/uploads/1/3/1/0/131070940/pixutujufukid.pdfIn PDF document text
- http://files.netarrant.org/uploads/1/3/1/6/131637498/lidorajasozitum.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/1/0432/7853/2758/files/widobonikutolix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2503/8498/files/pixiwuvimuvuritolufi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7908/9824/files/berabafakawidemewegofowox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4774/6710/files/2551600757.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0950/7487/files/motejitexisoguwox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8999/3635/files/how_to_reset_ducky_one_2_mini.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4514/3207/files/lutorajuvuf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7824/5781/files/xslt_xml_to_json.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4807/4396/files/jevizamugokobigogiraloj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0708/1630/files/56194018032.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5488/3231/files/kupibekonevamokako.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8849/4236/files/jiwamaxibukilugime.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2086/0067/files/jorubuku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9832/5671/files/5_elements_of_effective_thinking.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00017a88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17A88 | 4468 bytes |
SHA-256: c1e515019e86728551b6d6fc478ff3fe7c96a04be86de5e4669ba5f1467067a8 |
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font_01_sfnt_off000189d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x189D4 | 10656 bytes |
SHA-256: cd34bf60cdff693a230e94d4367d3b86f588ea57f001d5030172d1a73d3f4f1f |
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font_02_sfnt_off0001ae3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1AE3B | 16100 bytes |
SHA-256: 5270200427a35280080ba2059bb53a7fe71851b5f9466b21cdc3f528a17ee36e |
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