MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.com, which is likely used to obscure the final destination of the malicious payload. The document also exhibits characteristics of a link farm, with numerous embedded URLs pointing to various PDF files, suggesting an attempt to manipulate search engine results or distribute malware through a large number of seemingly benign documents. No scripts were extracted from this sample, but the presence of the malicious redirector and the link farm structure strongly indicate a phishing or malware distribution attempt.
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=canon+in+d+easy+piano+sheet+pdf In PDF document text
- http://files.cooksgourmet.com/uploads/1/3/1/6/131606965/13be2e.pdfIn PDF document text
- http://files.chefleslieann.com/uploads/1/3/1/8/131871424/mokezobazuluparuri.pdfIn PDF document text
- http://files.ahs-bully-blockers.org/uploads/1/3/2/3/132303219/lawaja_tofagaripobov_renadexarif_pebowi.pdfIn PDF document text
- http://bijoguse.bigbadbearband.com/uploads/1/3/0/9/130969747/gegavok-kigikumabadinif-viwusete-lavuvufawofavu.pdfIn PDF document text
- http://kijal.pcac100daysandnights.org/uploads/1/3/0/8/130814252/saganir.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/1/0434/8814/9668/files/xesewenev.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6871/8242/files/dukuvogekotusinusokep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5024/5028/files/zijuzele.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4516/7008/files/nusogud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3893/9048/files/free_avast_antivirus_full_version_bagas31.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2998/7489/files/72724775086.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6641/5514/files/13167107627.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0581/9555/files/wobosatep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7196/2265/files/42218634130.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6397/4805/files/43716184322.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6108/4322/files/agriculture_dictionary_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8716/6628/files/43555180572.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5528/4378/files/dosav.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_off000066ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66CA | 5008 bytes |
SHA-256: a4bd03cea88894b68f2af5ad02d329ae7f54f2b224329ca6c8fef478dc7c64ce |
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font_01_sfnt_off000077de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77DE | 10600 bytes |
SHA-256: 1ffe82f6138b13fb8c05e060dbfefb8df84941cf658cf4bc4e1584dbef54491b |
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