MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.com'. This link is presented within the document body, disguised as a genetics worksheet answer key. The PDF also exhibits characteristics of a link farm, with numerous embedded links, many hosted on shopify.com, likely for SEO manipulation to increase visibility. The ML classifier strongly indicates maliciousness.
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=genetics+unit+codominance+worksheet+answer+key In PDF document text
- http://files.dglivestock.com/uploads/1/3/1/4/131453256/3675332.pdfIn PDF document text
- http://files.crossroadschurch-aurora.org/uploads/1/3/1/4/131437660/33ebd7da38b5fc4.pdfIn PDF document text
- http://files.foxxpoolsbycburger.com/uploads/1/3/1/0/131070539/vuxewatuvuv-poralopobavun-mijijo.pdfIn PDF document text
- http://files.sosphilly.org/uploads/1/3/1/0/131070146/9063719.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/1/0432/9114/8444/files/rupepan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4485/5195/files/jedovosemexer.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/36726725464.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6662/2105/files/pokepilo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8804/4442/files/xowikotesokadof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4164/3928/files/wuwubovar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0687/0183/files/ziposijekeba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8212/1377/files/konukaloridopasinik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4815/7859/files/55597914241.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6522/1028/files/gujemetadesitenegalapebu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7431/3622/files/figedum.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_off00007529.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7529 | 5316 bytes |
SHA-256: 0773f23528c71dc4a8440df1015b1bdd3dc5e8caa70f0188640d5a4dc5809a92 |
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font_01_sfnt_off00008729.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8729 | 10308 bytes |
SHA-256: 750e0fdf889a68f786e75d126119f3e63cdbce9e11b6ebcf4c5a938c63c5ceb4 |
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font_02_sfnt_off0000aa98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAA98 | 16448 bytes |
SHA-256: bbc8a377ea308525ea4a093a1cfbcbef18081e68dbc1dc7ef94177a4c93541e5 |
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