MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a high number of embedded links, with one critical heuristic identifying a malicious redirector. The document body, though heavily obfuscated, contains a URL that appears to be a lure for educational material. The primary malicious link is https://ttraff.cc/wb?keyword=soalan%20matematik%20tahun%205%20kertas%202%20pdf, which is likely used to redirect users to a malicious site.
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.cc/wb?keyword=soalan%20matematik%20tahun%205%20kertas%202%20pdf In PDF document text
- http://files.anthonybarnesboxing.com/uploads/1/3/1/6/131637254/2133030.pdfIn PDF document text
- http://files.pathlightwisdom.com/uploads/1/3/1/3/131381612/bufodezexuf.pdfIn PDF document text
- http://files.barbarabairddesign.com/uploads/1/3/1/6/131606198/dcbc55ef09a8da7.pdfIn PDF document text
- http://files.cmc-info.net/uploads/1/3/1/8/131871651/soxomi-jifad-sabote-nirewemiketamo.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/1/0428/9835/8432/files/89120948070.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1721/3864/files/realismo_filosofia.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/takuz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8806/8254/files/jerekazixerava.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9322/1783/files/xekulekuviguto.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9838/3260/files/hamstring_strain_rehab_exercises.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6778/2821/files/96062284038.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2009/1555/files/adobe_acrobat_x_pro_reduce_size.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/10588857949.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4253/5574/files/dovemovazuvikexifezi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8799/5814/files/14342876699.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0454/7185/8838/files/3130598377.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7842/6534/files/operating_systems_concepts_9th_edition_solutions.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006d4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D4C | 3264 bytes |
SHA-256: 074876dfcfba2685fb6f9d43f8890ee7c4612f45786ee24176dd36cd9125fad8 |
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font_01_sfnt_off000078fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78FB | 5704 bytes |
SHA-256: 43c639ee738013a92181053d44654b2f2cbd68136083bc3cbe019ec349031ea2 |
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font_02_sfnt_off00008c35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C35 | 10436 bytes |
SHA-256: 445e33c039b651ca4a1844ee6aab5181b7ab796e471196fb8dea85de847fb07f |
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font_03_sfnt_off0000b001.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB001 | 16092 bytes |
SHA-256: 2c5f1a2e3d9f683f6a217a47aeaaae813f7d4ef732a5ff54a929695507d09140 |
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