MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous links, many pointing to SEO-optimized PDF hosting sites, designed to lure victims into downloading further malicious content. A primary redirector URL, https://ttraff.cc/pify?keyword=suprema+biostar+2+manual+pdf, is identified as malicious, indicating a phishing or scam attempt disguised as a technical manual. The ML classifier strongly flagged this PDF as malicious, supporting the observed redirection and link farm behavior.
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=suprema+biostar+2+manual+pdf In PDF document text
- http://vumelavo.anarchistindex.com/uploads/1/3/0/8/130814297/fepejebika_xukoboviwefo_kinosaruzepisir_mowupekuxeku.pdfIn PDF document text
- http://fojurerur.jmagalskiphotography.com/uploads/1/3/0/9/130969656/sebewoto.pdfIn PDF document text
- http://files.miainthelight.net/uploads/1/3/1/0/131070398/3d6face3.pdfIn PDF document text
- http://files.albertacriticalcaretraining.com/uploads/1/3/2/6/132681030/7112481.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0430/6577/0133/files/bomamogugugasufopiluzere.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0227/3703/files/57080291516.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9423/5553/files/bofiwatoselimazateruvojo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2344/0804/files/ligojodelomisagosamedu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5011/4965/files/american_heart_association_bls_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/0391/7974/files/pdf_magazine_reader_android.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6196/8025/files/59114612238.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6676/1120/files/21615598530.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4311/9527/files/el_imperativo_categorico.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2619/4336/files/39892796627.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6310/6968/files/bofurote.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6862/8890/files/86748441765.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008194.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8194 | 5444 bytes |
SHA-256: 24e5df8bc87bd336556930721034e912fbe863e05804b94c2f6ad56c29199927 |
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font_01_sfnt_off000093ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x93EF | 10932 bytes |
SHA-256: 06b26d35ef149d244675f5b621963b8b6eb03deac629c015d8c501119f0025d7 |
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font_02_sfnt_off0000b902.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB902 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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