MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=cadences+piano+pdf'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many hosted on Shopify. The document body, though heavily obfuscated, contains the same URL, reinforcing its role as a lure. The primary intent appears to be redirecting the user to malicious infrastructure.
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=cadences+piano+pdf In PDF document text
- http://files.equill.de/uploads/1/3/2/6/132695530/680380.pdfIn PDF document text
- http://files.thesummitcommunitychurch.com/uploads/1/3/1/8/131871648/1158365.pdfIn PDF document text
- http://xevavo.dunhamlit.com/uploads/1/3/0/9/130969723/laxebalani-bikozarile.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/1/0438/9113/0536/files/59431669547.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7872/7318/files/96904559459.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6481/1927/files/mebisoresu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zupapinited.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2476/9436/files/zenawizikakix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5820/8672/files/larson_college_algebra_9th_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6989/8909/files/51495566365.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/7815/2345/files/javascript_load_json_from_file.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3311/5289/files/dekaluvu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3786/7687/files/nordictrack_audiostrider_990_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/8876/0232/files/6821625840.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2738/1924/files/35733386319.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00009fe8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9FE8 | 4752 bytes |
SHA-256: d2ad526118b22602a6fe8aacec0cc5f264c64cebd0376408dece61fab3598d5a |
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font_01_sfnt_off0000b01e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB01E | 11420 bytes |
SHA-256: 2706945d7ba2beb0a3e794f241401f62d3ce9ecbbe84b7a47419e74bf25b1f9c |
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font_02_sfnt_off0000d6ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6AC | 16200 bytes |
SHA-256: b2f1af8d3c6c584ad6ab612038e42d95c20c66029f3ae806de29efdd7ffc45f6 |
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font_03_sfnt_off0000ebf4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBF4 | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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