MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, indicating an attempt to lead the user to harmful content. The document body, though heavily obfuscated, contains the same URL. The presence of a large number of external PDF links, many pointing to static.usrfiles.com, suggests a link farm designed to improve search engine ranking for the malicious URL. No scripts were extracted, and the PDF structure itself is the primary vector.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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.link/wix?keyword=lantunan+surat+al+kahfi+muzammil+hasballah
- https://static.usrfiles.com/ugd/f1c748_1e0480369d684b439e187f49291869cd.pdf
- https://static.usrfiles.com/ugd/b8c837_efd35249ba134561b3e8a6ddc2c84531.pdf
- https://static.usrfiles.com/ugd/b8c837_0c98e0e70f5b47a8b89258136dead7be.pdf
- https://static.usrfiles.com/ugd/8a419d_196220f7cb7b4322abfaf2ba38b8a6b7.pdf
- https://static.usrfiles.com/ugd/b8c837_627bd5e6270a411586a7054f928fac01.pdf
- https://cdn.shopify.com/s/files/1/0437/4321/5767/files/uncle_bob_clean_architecture.pdf
- https://cdn.shopify.com/s/files/1/0431/7842/6534/files/honda_hrr216vka_manual.pdf
- https://cdn.shopify.com/s/files/1/0430/0180/7007/files/kijulivasadegutab.pdf
- https://cdn.shopify.com/s/files/1/0440/4481/2438/files/bavawapepipibugakigaxomux.pdf
- https://cdn.shopify.com/s/files/1/0432/6594/9862/files/42622770840.pdf
- https://cdn.shopify.com/s/files/1/0433/5524/2655/files/hartley_and_colpitts_oscillator.pdf
- https://cdn.shopify.com/s/files/1/0431/5725/8401/files/28550576106.pdf
- https://cdn.shopify.com/s/files/1/0447/3962/5111/files/publication_design_workbook.pdf
- https://static.usrfiles.com/ugd/5cf23b_2f4dced26a954699a62c4b105fe61eb7.pdf
- https://static.usrfiles.com/ugd/35dc59_34f67b5f0c6749c9881c2c031fbcfd3a.pdf
- https://static.usrfiles.com/ugd/a2c2bc_fa77f321a22a4408813a2ad40dde8350.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006832.bin6a3dae78565542a8ce558ab08d5cdd8fa8d5426d41ddee8832997090756c9071 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6832 | 5204 bytes |
font_01_sfnt_off000079c7.bin76e34c2ac196b50b252839cd70e471543a4d270c4f2eff6a375aa809cdf9fe14 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79C7 | 12516 bytes |
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