MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains numerous embedded URLs, many of which point to a redirector service (ttraff.com) disguised as a search result for a technical document. This indicates a phishing or scam attempt, likely to lead the user to malicious content. The ML classifier strongly supports the malicious verdict, and the presence of a redirector link is a critical finding.
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/wb?keyword=frequency%20modulation%20circuit%20design%20pdf In PDF document text
- http://files.tennisjoopbroens.com/uploads/1/3/0/9/130969254/4301331.pdfIn PDF document text
- http://files.stjohnstuckahoe.com/uploads/1/3/1/8/131856877/jegepowopamigek_dunoju_wamemi.pdfIn PDF document text
- http://files.queencharlottetrackwalks.com/uploads/1/3/1/4/131452794/bedogilenilolenejase.pdfIn PDF document text
- http://files.homescooleducation.com/uploads/1/3/0/8/130815095/mosuxiwefa.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/1/0427/7947/6134/files/43453634095.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1824/8601/files/1412538242.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8638/8136/files/55338094984.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3006/0955/files/90983217601.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1019/5605/files/raxojesoxapoluf.pdfIn PDF document text
- https://forakij.files.wordpress.com/2020/07/kikesixiliviwomalodob.pdfIn PDF document text
- https://repofuj.files.wordpress.com/2020/07/96261970309.pdfIn PDF document text
- https://tesukejiget.files.wordpress.com/2020/06/fifazupiduzi.pdfIn PDF document text
- https://waxitafoki.files.wordpress.com/2020/07/24449501082.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6528/6566/files/43563551182.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0142/9662/files/ripow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7670/4664/files/13712010415.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1230/9671/files/megikaxewonagafosavo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5632/3995/files/67699316504.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8578/3455/files/juxosu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/70945418412.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006ff4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FF4 | 5540 bytes |
SHA-256: e2d4e9aa61ab462858da82bd9c73d56605173af6ea35b34d2c367fe9b1127564 |
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font_01_sfnt_off000082b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82B3 | 9936 bytes |
SHA-256: 4c80aecc30741b6a85a9eb35911dcacdf624058731a38a13d9d48abc6df63ef9 |
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