MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF file contains a heuristic firing for a malicious redirector link and a social engineering lure to install a browser extension or update. The embedded URL leads to a known malicious redirector, suggesting an attempt to lead the user to a malicious site. The document body, though heavily obfuscated, contains text related to performance appraisals, likely used as a lure.
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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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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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=performance+appraisal+phrases+examples+integrity In PDF document text
- http://files.drinktexas.com/uploads/1/3/1/6/131637881/9216615.pdfIn PDF document text
- http://files.patchworkstories.net/uploads/1/3/1/3/131384300/61943.pdfIn PDF document text
- http://files.kymgeorgeartdolls.com/uploads/1/3/0/7/130738565/sirigaxi_vikiki.pdfIn PDF document text
- http://files.sonnambula.org/uploads/1/3/0/7/130739742/zivutidegini-nobotafebeki-wakedenuzexobog-dodal.pdfIn PDF document text
- http://files.piperdavisbaseball.org/uploads/1/3/2/6/132695887/fuvofini.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/1/0430/7058/7029/files/fovobemivan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7950/7870/files/noguvusagoz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2004/1886/files/puletapuvofuduwozuzizupi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6083/0116/files/zajotukofil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4487/1063/files/someraduzu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/matam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7216/7841/files/xetodovewivot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9255/7462/files/gogowapetemilemodesefi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5588/3175/files/31535466078.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4392/8726/files/8028996159.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8315/3056/files/62594602941.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/18396470220.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_off00024af3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x24AF3 | 5388 bytes |
SHA-256: 9c1e0ea7f246fb6dd063d330d80d197486c40fedbda3a8a8c3f0dd17f3b76bb7 |
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font_01_sfnt_off00025d14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x25D14 | 10088 bytes |
SHA-256: b715f7ddfe7e1718e9c3848d1e0beb473860fe4aa43c4359cf3afc6cb5cadb98 |
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font_02_sfnt_off00027fc0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x27FC0 | 16348 bytes |
SHA-256: 4d0700c2bed8ae31e296ea143d862b5f4c90f99d2dd4e3a41f3daee297692574 |
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