MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to a link farm designed for SEO manipulation. One prominent link, 'https://ttraff.cc/pify?keyword=up+board+maths+books+for+class+8+pdf', is identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to educational materials and the malicious URL, suggesting a lure to trick users into clicking through to malicious infrastructure. The ML classifier also strongly indicated maliciousness.
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.cc/pify?keyword=up+board+maths+books+for+class+8+pdf
- http://files.jasmineye.com/uploads/1/3/1/1/131163601/64b314.pdf
- http://files.ianglidden.com/uploads/1/3/2/6/132681954/6893283.pdf
- http://jemavi.fanatixwrestlingfederation.com/uploads/1/3/1/1/131163635/nutemebut-lelegaruni.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/5938/8316/files/ace_academy_books_download.pdf
- https://cdn.shopify.com/s/files/1/0432/1987/8048/files/execute_disable_bit.pdf
- https://cdn.shopify.com/s/files/1/0428/9062/5191/files/84497832247.pdf
- https://cdn.shopify.com/s/files/1/0430/8946/1410/files/pugiwaxarosirotapanozoka.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/37144816260.pdf
- https://cdn.shopify.com/s/files/1/0440/3652/2149/files/gurifatezavirogufolusi.pdf
- https://cdn.shopify.com/s/files/1/0431/6705/6028/files/assure_model_lesson_plan_mathematics.pdf
- https://cdn.shopify.com/s/files/1/0431/5689/7947/files/54605991820.pdf
- https://cdn.shopify.com/s/files/1/0433/3328/8088/files/88426159492.pdf
- https://cdn.shopify.com/s/files/1/0431/7347/8560/files/vizivekuzibexibatudose.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006219.binb3e1d30bf212c410722091bd56a9ce50300749c89cbe3d474bfa02d8e49cbddc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6219 | 5784 bytes |
font_01_sfnt_off0000759f.bin9d9f47245b4704f217d70c1320815081859ab2a891c03d471bc2d3b93b21e771 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x759F | 10296 bytes |
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