MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a heuristic firing for a malicious redirector link pointing to 'https://ttraff.ru/pify?keyword=acalasia+tipos+pdf'. Additionally, it exhibits a PDF link farm behavior, embedding numerous external links, with the primary one being 'https://cdn.shopify.com/s/files/1/0428/7689/5398/files/84587543581.pdf'. The document body and heuristics also indicate a lure to execute commands, suggesting a multi-stage attack.
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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Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LUREDocument tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
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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=acalasia+tipos+pdf In PDF document text
- http://files.paintingsbychrislwilliams.com/uploads/1/3/0/8/130814177/954c944.pdfIn PDF document text
- http://files.laurirakoff-chertok.com/uploads/1/3/2/6/132682851/73788e2d72b.pdfIn PDF document text
- http://fobopafur.feszty.com/uploads/1/3/2/8/132815000/6912799.pdfIn PDF document text
- http://files.tktphi.net/uploads/1/3/1/3/131379820/puwabodimukix-tididad-wibuxilup-vaxexig.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/1/0428/7689/5398/files/84587543581.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4193/7818/files/84253198336.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6299/2795/files/46032748769.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4624/8358/files/98955898798.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2308/0344/files/my_story_elizabeth_smart.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5071/9642/files/bytes_to_kilobytes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xigorekotat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/1083/9960/files/ivan_stodola_baova_ena.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8117/9037/files/10431101653.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9159/1317/files/43101386936.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4251/2802/files/australian_visa_application_form_54.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5832/3865/files/628620407.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3558/8770/files/29921744871.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_off00006ebd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EBD | 5040 bytes |
SHA-256: a9efdd101a2417eb2f5949ad37ba5b29d4d24e992bfc006650ca6ed695b8d84a |
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font_01_sfnt_off00007fed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7FED | 10544 bytes |
SHA-256: 5c2bba744edbea1dceda5579ac27561f92aa229a1977045d086020e74a6f5031 |
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