MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to a redirector service (ttraff.ru) which is flagged as malicious. The document body and embedded link structures suggest a lure, possibly for phishing or to download further malicious content. The presence of multiple PDF links, some with numeric slugs, indicates a link farm strategy to improve search engine ranking for malicious content.
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=brew+install+virtualbox In PDF document text
- http://files.fancyrat.net/uploads/1/3/1/4/131437660/vasolizobogo-tajigixitif-sivelulenutoda.pdfIn PDF document text
- http://files.divinemercymusic.org/uploads/1/3/0/7/130738801/wiwewinupibapejapuni.pdfIn PDF document text
- http://files.thehollywoodhoosier.com/uploads/1/3/0/7/130739399/dinaratox-gametiminonugox-vogukoz.pdfIn PDF document text
- http://files.beonegallery.com/uploads/1/3/1/6/131637226/paloriwudasexadose.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/1/0436/1352/0029/files/55987123260.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0934/2614/files/dekopul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3476/2654/files/59729816863.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6379/5094/files/75655037340.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0222/5059/files/24222234797.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4684/6107/files/lijuzibote.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1555/2674/files/tebagom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/77084518355.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1411/1903/files/3341972369.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6871/0309/files/40533731507.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7395/4204/files/tumefudo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2613/7756/files/84053525911.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9570/3204/files/bejemekodijisun.pdfIn PDF document text
- https://www.virtualbox.org/In 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_off000086d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86D3 | 5088 bytes |
SHA-256: 085ec7e928fd17708ebd8afa0165979e04ccc82d3dda8bb0ee009995f813e9d8 |
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font_01_sfnt_off0000984a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x984A | 10740 bytes |
SHA-256: b796808b5a44ccab54d9e3f369f3bf2b3afd40bb3c10a221689125a7bd58c1a2 |
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font_02_sfnt_off0000bd39.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD39 | 16512 bytes |
SHA-256: 44d9c922acaebf0bd89bbc2f700668b039ba04d1dda10151fc3f369deea26354 |
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