MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, a technique often used to redirect users to malicious sites. One such link, 'https://ttraff.cc/pify?keyword=complex+numbers+test+pdf', points to known malicious redirector infrastructure. The ML classifier also strongly indicated maliciousness.
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=complex+numbers+test+pdf In PDF document text
- http://files.swimmontereybay.org/uploads/1/3/0/8/130874299/nuvesej_fawosi.pdfIn PDF document text
- http://files.aajamn.com/uploads/1/3/0/7/130740571/leseronezis_wirogaramemi_dofufira.pdfIn PDF document text
- http://files.thefilamentstudio.com/uploads/1/3/1/6/131606035/fakesijerisaz.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/1/0432/3049/4878/files/debivoruwedewekukurag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6585/1542/files/rufumagaxenedaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0081/5006/files/57550097996.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7444/4694/files/carbon_fibre_manufacturing_process.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7813/0593/files/zaregemaxorisokenekarekut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8863/2213/files/alimentacion_saludable_embarazo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0866/3462/files/94312198923.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7220/9574/files/zuwujikifulatekom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5480/0796/files/lafezofitufo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0409/8722/files/acrobat_xi_reduce_file_size.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_off000042a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x42A3 | 5092 bytes |
SHA-256: d4e6e2651b41d732c53660664c2aaa3bce72a11a3dc65c25eff7b2ad91638b11 |
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font_01_sfnt_off000053d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x53D3 | 9392 bytes |
SHA-256: 09f78c69eba363c572f01fe226a812b8d53a76a6a6a11e495a7731003769b2de |
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