MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, with one specifically pointing to a known malicious redirector infrastructure. The ML classifier also strongly indicated maliciousness. The document body contains garbled text but includes a URL that is also present in the embedded links, suggesting a lure for users to click on potentially harmful content. The presence of numerous external PDF links further supports the attack pattern of a link farm designed to distribute 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.cc/pify?keyword=rolex+ayo+and+teo++audiomack In PDF document text
- http://files.solidinvestmentgroupbvba.com/uploads/1/3/0/9/130969548/5682264.pdfIn PDF document text
- http://files.swflreview.com/uploads/1/3/1/6/131637211/557188.pdfIn PDF document text
- http://bugaz.eastcoastkubb.com/uploads/1/3/1/3/131383657/d6e567cd7.pdfIn PDF document text
- http://roluk.beyondthegameplan.com/uploads/1/3/2/7/132740900/3170887.pdfIn PDF document text
- http://nepufo.lillyotasevic.ca/uploads/1/3/1/6/131606289/xusak.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/1/0429/6710/5687/files/gokategob.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6464/7077/files/33501893237.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9431/7981/files/harry_potter_quiz_and_answers_easy.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2135/2606/files/english_aptitude_test_questions_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2317/8656/files/31199073730.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9590/8761/files/nutaxo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7492/9308/files/79082320030.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8326/8257/files/32904069959.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8052/4710/files/gosomevomodazubinarefajiz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2457/9736/files/enfermedad_cerebrovascular_tratamiento.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6974/2999/files/98399697518.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_off000057f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x57F9 | 5052 bytes |
SHA-256: 64b27198a0f2d943a4e5622fc9a1251d3e424114d9afaddc4fae1fc6745b07dc |
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font_01_sfnt_off00006928.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6928 | 10296 bytes |
SHA-256: d1612318e4c9f746b58b6c916da04af76be7c79878c1e884ff5b2d3bfce46c8a |
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font_02_sfnt_off00008c26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C26 | 18776 bytes |
SHA-256: 1df41416ece054d3cca32f135e48dc95f4d9c8a2bff4ba4edba1d14e21aabef6 |
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