MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic identifying a link to known malicious redirector infrastructure at 'https://ttraff.com/pify?keyword=block+caving+geomechanics+pdf'. The document body, though heavily obfuscated, contains references to the same URL and other PDF files hosted on various domains, suggesting a link farm or redirection scheme. The ML classifier also flagged this PDF with high confidence.
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.com/pify?keyword=block+caving+geomechanics+pdf In PDF document text
- http://files.osakiselimchurch.com/uploads/1/3/0/8/130813100/fef0fe5.pdfIn PDF document text
- http://files.gracekladnik.com/uploads/1/3/1/3/131397981/besisepewovajo_vanowake_fejupozukamoki_bejuwavibudul.pdfIn PDF document text
- http://files.northcobbphotoclub.com/uploads/1/3/0/9/130969176/7392066.pdfIn PDF document text
- http://files.blancheserban.com/uploads/1/3/1/4/131437701/gezunuwarew.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/1/0432/5824/9376/files/zamulobizewinisimo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8642/9861/files/xunelifoganel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1474/0373/files/79209753136.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8511/0171/files/73190042931.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5653/6475/files/31233873846.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3329/6028/files/microbiology_fundamentals_a_clinical_approach_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7745/1428/files/system_dynamics_3rd_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8866/7034/files/57387701530.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7148/0742/files/lozijufepelup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7332/0600/files/sibupobabimasefujezufaz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9535/0684/files/56921882600.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5107/4214/files/36323673639.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9010/7815/files/english_speaking_practice_lessons.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/66923604261.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2402/9608/files/medical_surgical_nursing_javed_ansari_free_download.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_off00004855.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4855 | 5648 bytes |
SHA-256: 00835b11217c9dc88194e5934f1bc93acb42003deda6eabeef5e4371f03f4eb6 |
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font_01_sfnt_off00005b6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B6E | 9972 bytes |
SHA-256: 1a02acd34484a8985ca337ee3237fad496b778cd63a1243c3e75fee9ee70c108 |
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