MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1200 Hardware Addressed
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link, pointing to ttraff.com. It also contains a heuristic for a PDF link farm, with numerous links hosted on cdn.shopify.com. The document body is heavily obfuscated, but the presence of these links strongly suggests a phishing or malicious redirection attempt, likely to deliver a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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=greatest+common+divisor+algorithm+pdf In PDF document text
- http://files.catninga.com/uploads/1/3/0/8/130813898/cd6a9.pdfIn PDF document text
- http://files.pbadesigngroup.com/uploads/1/3/0/8/130815026/1893215.pdfIn PDF document text
- http://files.deliciousdesignsbysherry.com/uploads/1/3/1/3/131381540/6b1193d6c.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/1/0432/6224/7080/files/6448520167.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/7491/0376/files/69304624465.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sovonuvebapade.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5352/1823/files/55645139760.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4021/1105/files/ponoro.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2844/6358/files/72604866113.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/9307/1774/files/pufaluluvebi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7182/2229/files/99236447737.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0963/7533/files/80678846687.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8832/1438/files/lesumugis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5038/5051/files/62360622095.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2712/8735/files/41096781883.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1658/5379/files/73541759803.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9502/4025/files/jinajexe.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_off00017ba2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17BA2 | 3852 bytes |
SHA-256: 1ba1da2a17e7f89ca23c05a697407255099254985897c9cacaf8780af9b33d65 |
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font_01_sfnt_off0001894c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1894C | 5448 bytes |
SHA-256: 796f8d80a3a28c514f7effc99ccd285c85484a300eaa0e27c316dcaf240820e0 |
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font_02_sfnt_off00019bad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19BAD | 17880 bytes |
SHA-256: c49cb4f92b963d7aab63cc6ca8f822b229cff151ffaf71e0f8b34c93dc03e20d |
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font_03_sfnt_off0001d45d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1D45D | 16476 bytes |
SHA-256: 9e7ef68b275ea5e2b3dc4251298e0bd24d5e54325992881ebae66ef871c2b8f7 |
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