MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm designed to appear as educational material, but the primary link redirects to a known malicious redirector. The ML classifier strongly indicates maliciousness. The document body, though malformed, contains the URL that leads to the malicious redirector, suggesting a lure to a phishing or malware distribution site.
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=multiplying+fractions+worksheets+pdf+4th+grade
- http://files.jwhitch.com/uploads/1/3/1/1/131163687/a81c6.pdf
- http://basojubaj.ulessor.com/uploads/1/3/2/6/132695306/0646a1.pdf
- http://files.artofextensions.com/uploads/1/3/2/8/132814980/voburadazavepep-gezisunilowu-sorodivomojiw.pdf
- http://files.goldcrestpolychem.com/uploads/1/3/2/6/132681556/nesiwidewo.pdf
- http://files.carlabaku.com/uploads/1/3/2/7/132740414/8688825.pdf
- https://cdn.shopify.com/s/files/1/0436/7679/5030/files/90249006698.pdf
- https://cdn.shopify.com/s/files/1/0427/6636/8935/files/fomuxinobililazudi.pdf
- https://cdn.shopify.com/s/files/1/0436/2685/6601/files/calendario_serie_a1_basket.pdf
- https://cdn.shopify.com/s/files/1/0431/9304/1053/files/63132492065.pdf
- https://cdn.shopify.com/s/files/1/0432/6693/2902/files/5268325120.pdf
- https://cdn.shopify.com/s/files/1/0431/9261/5073/files/74629181443.pdf
- https://cdn.shopify.com/s/files/1/0432/7066/8453/files/20353140144.pdf
- https://cdn.shopify.com/s/files/1/0454/7867/4584/files/richard_bandler_the_ultimate_introduction_to_nlp.pdf
- https://cdn.shopify.com/s/files/1/0434/0721/2694/files/84466380811.pdf
- https://cdn.shopify.com/s/files/1/0435/2134/3647/files/greek_bible_dictionary.pdf
- https://cdn.shopify.com/s/files/1/0438/2670/8640/files/detailed_software_design_document_sample.pdf
- https://cdn.shopify.com/s/files/1/0435/2232/6696/files/9822225628.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_off00007559.bin049e486c28800022eb8a71ca7ae4b7fd816ba1562789074cc799a923bbcba259 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7559 | 5768 bytes |
font_01_sfnt_off00008914.bin172aa4601f2acac97a2d77b64aa99a30fd1c6f82dc69e53246fa713838bd8e8e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8914 | 9952 bytes |
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