MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=explosive+materials+used+in+explosive+forming'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, including one to 'https://cdn.shopify.com/s/files/1/0435/8907/5102/files/formulation_and_evaluation_of_antacid_suspension.pdf'. The document body, though heavily obfuscated, contains the malicious URL, suggesting the intent is to redirect users to potentially harmful 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=explosive+materials+used+in+explosive+forming In PDF document text
- http://files.peterehrensberger.com/uploads/1/3/1/4/131407687/43a5f.pdfIn PDF document text
- http://files.vcoamaine.com/uploads/1/3/1/4/131408103/2240350.pdfIn PDF document text
- http://files.ren-ito.com/uploads/1/3/0/7/130738569/2890409.pdfIn PDF document text
- http://files.thecroftbourton.co.uk/uploads/1/3/0/8/130874125/wojaxikadiwonavuj.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/1/0435/8907/5102/files/formulation_and_evaluation_of_antacid_suspension.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2155/8183/files/manual_j_calculation_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3443/4969/files/early_childhood_education_definition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4578/8584/files/chola_ms_health_insurance_pre_auth_form.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9201/7305/files/wulovu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1887/8114/files/snow_leopard_iso.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5522/6773/files/68830116481.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4803/2666/files/8944596220.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7046/3912/files/45484671803.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4129/0397/files/temple_of_elemental_evil_5e.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7990/1096/files/bozafekokejepa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9037/8901/files/64225683816.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9525/2374/files/print_spot_utsa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3024/8600/files/alteraciones_del_metabolismo_de_carbohidratos.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_off0000ecb3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECB3 | 5444 bytes |
SHA-256: 1ae5fd0153841ff986adf5f86b1dfa1d9c881082538e0d392f01dc0453a11e09 |
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font_01_sfnt_off0000ff30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF30 | 10700 bytes |
SHA-256: d2d1d465a795e8a7c9087d45a7e8823d0702165654ff81e78fc35d86aba3dfb6 |
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font_02_sfnt_off000123eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123EB | 16148 bytes |
SHA-256: ebaa9d42c58e3fd25c8264bcf4ef2319fee467c92cf53dcc1f377a20fc8d39b0 |
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