MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
T1059.001 PowerShell
The PDF contains numerous links, including one pointing to a known malicious redirector. The document body, though heavily obfuscated, suggests a lure related to 'grid computing pdf download'. The presence of a link farm and a malicious redirector indicates an attempt to drive traffic to malicious infrastructure, likely for further exploitation or phishing.
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/wb?keyword=grid%20computing%20pdf%20download In PDF document text
- http://files.longislandswimschool.com/uploads/1/3/0/9/130969986/girukuxesevunipopa.pdfIn PDF document text
- http://files.happyhomestead.co.uk/uploads/1/3/1/8/131872032/guraluloje-zalelu.pdfIn PDF document text
- http://files.diaryofadesitck.com/uploads/1/3/1/3/131380001/fakus.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/1/0434/2621/8134/files/94306154360.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6975/7850/files/fugorabileve.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4282/4614/files/rotew.pdfIn PDF document text
- https://zabosododuge.files.wordpress.com/2020/07/82109109336.pdfIn PDF document text
- https://pijezomupa.files.wordpress.com/2020/06/rujojijopapagatut.pdfIn PDF document text
- https://xalimiganifa.files.wordpress.com/2020/06/xotasoruremeluruk.pdfIn PDF document text
- https://furaxefij152290709.files.wordpress.com/2020/07/25176188120.pdfIn PDF document text
- https://repinugemu.files.wordpress.com/2020/07/gopijuxeritoba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/niriliruvurufuwupaku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4647/8759/files/30319567480.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2284/4067/files/fizezekugigogorubeka.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0756/6239/files/jezagexinejajogesizo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8475/0747/files/luxowowike.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/8003629611.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8794/6133/files/tekubopodubixaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5901/9927/files/veponexumanun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0582/1599/files/zoragopuji.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
🗂 Part of campaign:
carolinevanthoff.com
3 samples
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000069af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69AF | 5184 bytes |
SHA-256: 2b167f7c7b5b2a0ce881e5c914a2bff7fc7dc9e49256bd09e70744a07d5dafab |
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font_01_sfnt_off00007b4d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B4D | 10352 bytes |
SHA-256: 59677ab3b7624cf7609a4ebbe892ee53c7eb104de92c775bb037833f8a68fc25 |
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