MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF file contains a malicious redirector link disguised as a job description template, aiming to trick users into clicking it. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms the link leads to known malicious infrastructure. Additionally, the PDF_SEO_LINK_FARM heuristic indicates a large number of outbound links, many pointing to seemingly benign Shopify PDFs, likely to obscure the malicious redirector. The SE_LOLBIN_RUN_COMMAND heuristic suggests that the document may contain instructions for executing commands, potentially to download and run further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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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=customer+service+associate+job+description+template In PDF document text
- http://jozupam.crrcinc.org/uploads/1/3/1/4/131454215/tuzem-vaseviv-zawezok-bokikugetoz.pdfIn PDF document text
- http://files.gwionraven.com/uploads/1/3/0/7/130739776/4916943.pdfIn PDF document text
- http://files.taichinyc.net/uploads/1/3/0/9/130969699/2601755.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/1/0435/9441/6290/files/english_grammar_book_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8165/3655/files/61244072869.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6567/9776/files/31075505860.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8228/5216/files/65777674556.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4566/5433/files/9397252170.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8071/1325/files/sasenesozukud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1592/0024/files/coenzyme_q10_benefits.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7664/0156/files/powershell_impersonate_user.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4395/3563/files/futexefomisamevenelexe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8017/9107/files/public_sector_accounting_and_finance_textbook.pdfIn macro / runtime command snippet
- https://cdn.shopify.com/s/files/1/0437/8004/6997/files/raritawe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5868/3291/files/meio_ambiente_e_sustentabilidade.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7853/2758/files/32254633073.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
- https://cdn.shopify.com/s/fiIn macro / runtime command snippet
- 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_off00005e14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E14 | 5400 bytes |
SHA-256: 8edf9901cd00c351173e5d45b29d31002fc55ba25c416ebd5fb308f04ec65486 |
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font_01_sfnt_off0000705a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x705A | 9964 bytes |
SHA-256: a06a232e6a42243e8fa8903b3616e1c8d693d980a0f476f64a1e036a37053b67 |
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