MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links designed to appear as search results for legitimate documents, but they redirect to malicious infrastructure. Specifically, the URL https://ttraff.cc/pify?keyword=schumann+arabeske+op+18+pdf is identified as a malicious redirector. This technique is commonly used to distribute malware or phish for credentials by luring users to malicious sites under the guise of providing desired 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/pify?keyword=schumann+arabeske+op+18+pdf In PDF document text
- http://mumagis.peterjstewarteditor.com/uploads/1/3/0/7/130775162/2251629.pdfIn PDF document text
- http://files.threeaineconsultancy.com/uploads/1/3/1/0/131070125/587526f65.pdfIn PDF document text
- http://files.zbmtwest.com/uploads/1/3/0/7/130775076/nopire.pdfIn PDF document text
- http://files.iowacollegemediaassociation.com/uploads/1/3/1/4/131411857/6726355.pdfIn PDF document text
- http://files.parkroadbaptistcdc.org/uploads/1/3/0/7/130776255/1bb0712093.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/1/0428/5467/8687/files/1520040095.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1061/1605/files/637144644.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1313/4743/files/57362312272.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0451/0393/9737/files/88738199397.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0600/9255/files/gikofakovefigobetitazugip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rasamonuje.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8982/0836/files/waboginavedokif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1960/6936/files/74831741970.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8307/1650/files/27465875639.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3738/5123/files/dazevejamarewojafow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1165/3277/files/vuzokujipujowabubozus.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_off0000554f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x554F | 5916 bytes |
SHA-256: 5e4d4112b6955e3fe083f2587015ed95be2b6d7026ce62cfae4ada3da6850c00 |
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font_01_sfnt_off00006947.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6947 | 11308 bytes |
SHA-256: e59777256407c9cb25fff9af5accc7a0b4837dad448e07d7fc56ab986d0d1794 |
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font_02_sfnt_off00008eb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8EB1 | 16120 bytes |
SHA-256: 73e2bae015806fcbcea00a5e77fef36cf57312733aebee32ba98308b5ce41d75 |
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