MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a large number of embedded links, many of which point to external PDF files hosted on various domains, including a known malicious redirector. The primary malicious URL identified is https://ttraff.ru/pify?keyword=delicious+cake+hd+images, which is likely used to redirect the user to a malicious site. The document body, though heavily obfuscated, also contains this URL, reinforcing its role in the attack. The presence of a link farm suggests an attempt to manipulate search engine results or distribute malicious content through a large number of seemingly unrelated documents.
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=delicious+cake+hd+images In PDF document text
- http://files.lady-arlete.com/uploads/1/3/1/4/131437601/bikomatojalevate.pdfIn PDF document text
- http://files.michiganelopementcollective.com/uploads/1/3/1/4/131406036/4420337.pdfIn PDF document text
- http://files.tummyandtot.com/uploads/1/3/0/7/130775331/7853284.pdfIn PDF document text
- http://files.questgolfacademy.co.uk/uploads/1/3/1/6/131636828/megujox.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/1/0430/4535/5674/files/xavijuwofefuwekitufuzow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8494/6333/files/64287202083.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6785/0390/files/tratamiento_nutricional_para_cancer_de_pancreas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8201/5129/files/89683459760.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3432/8735/files/dasewevaruvimivolam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8763/4338/files/fibatokejaname.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2518/6466/files/17418995005.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7042/2180/files/repovolipirodexaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2682/4863/files/31844736088.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4374/1083/files/xaxerewanibuni.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5737/3589/files/avakin_life_mod_ios.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9721/1551/files/ccna_1_chapter_7_exam_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9155/8551/files/happy_wheels_full_version.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_off00004758.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4758 | 5320 bytes |
SHA-256: 697a90eeed5b1102e6b1ab62fcfe4f7da4f4052451d751043c656cb05be692f8 |
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font_01_sfnt_off0000594c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x594C | 8636 bytes |
SHA-256: 561d21033b776b425b502311d1123747678ceb86404e20644cc15a90cf35eed4 |
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