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=2014+buick+encore+repair+manual'. This URL is presented within the document body, disguised as a '2014 buick encore repair manual'. The file also exhibits characteristics of a PDF link farm, with numerous embedded links, many pointing to Shopify domains, but one suspicious link to 'http://files.bugayinvestments.com/uploads/1/3/1/4/131408664/dufizegarovofel_xufelilapaxifaz_vafanegi.pdf'. The primary malicious link likely serves as a lure to redirect users to malicious infrastructure.
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=2014+buick+encore+repair+manual In PDF document text
- http://files.bugayinvestments.com/uploads/1/3/1/4/131408664/dufizegarovofel_xufelilapaxifaz_vafanegi.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/1/0431/5286/7477/files/52256281688.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4266/7676/files/40494737130.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0463/4066/9602/files/anthropics_portrait_professional_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2210/6269/files/87652186101.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2906/1032/files/2645433849.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7157/0069/files/linufizukovorowonawa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2559/6573/files/cephalexin_and_metformin_drug_interaction.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3622/1341/files/sogute.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/22271122494.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5516/9186/files/wibiwus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/17810153535.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1780/3675/files/luma3ds_enable_game_patching.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3434/3574/files/58803154521.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_off000054b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x54B9 | 5224 bytes |
SHA-256: 95f97fb06eb28185060cf6b4899639af61ec67ab774f0d12d38b86b491c09ed1 |
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font_01_sfnt_off0000664b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x664B | 9856 bytes |
SHA-256: 0f75bc1d4344dd4cece99b4e2a314e1d0fb72d1cc98cd81264a226edfe35d18d |
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font_02_sfnt_off00008813.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8813 | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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