MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains numerous embedded links, a common tactic for SEO spam and redirecting users to malicious sites. One such link, 'https://ttraff.ru/pify?keyword=chromatography+types+notes+pdf', is identified as a malicious redirector. The document body, though heavily obfuscated, contains references to the URL, suggesting it's the primary lure. The file type and heuristic firings strongly indicate a malicious intent to redirect users.
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.ru/pify?keyword=chromatography+types+notes+pdf In PDF document text
- http://files.annishealinggarden.com.au/uploads/1/3/0/7/130776864/kuxafixogudaruwuje.pdfIn PDF document text
- http://files.pearlsmentoring4girls.org/uploads/1/3/2/7/132740905/jelizobimudit.pdfIn PDF document text
- http://gazalenus.northerntraining.org/uploads/1/3/0/8/130813612/daxotuj.pdfIn PDF document text
- http://lopil.brasasperu.com/uploads/1/3/1/4/131453329/ce628987ff.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/1/0428/9835/8432/files/xumilegimazuguvabunozanik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6713/0534/files/25927240487.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3191/9765/files/water_company_annual_report.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8488/1825/files/nilopowesetever.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4303/6053/files/tuwepusudekugor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1050/6404/files/dimutadoxuzosigare.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9110/7742/files/62539314190.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9363/8811/files/fofemegu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2193/3466/files/pazumavamomuvebupu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6556/5589/files/benijanowurokonogobedegus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5089/1424/files/breakthrough_advertising_eugene.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1126/0062/files/48444450056.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/rinajimakonewob.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7958/1352/files/soxelonasaj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9715/1904/files/8263417262.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_off0000e9dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9DC | 5428 bytes |
SHA-256: 3217529a91dfa8921cf88248a2c4d53b02e7d5e4698be066d574945f3b7e3fb2 |
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font_01_sfnt_off0000fc2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC2A | 12852 bytes |
SHA-256: cebce435761b01b08d8df151bb5e125a290dbc2e81b1e263b55d7ead0e4cc483 |
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font_02_sfnt_off000126b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126B2 | 16184 bytes |
SHA-256: 9e4265a29980eb0856412f08a1531ef9bc31f7270d08920f81547b60c48c08f3 |
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