MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, with one specifically pointing to a known malicious redirector. The document body, though partially corrupted, includes the text 'Attendance certificate format for school students' and the malicious URL, suggesting a lure to trick users into clicking on the embedded links. 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.com/pify?keyword=attendance+certificate+format+for+school+students
- http://files.expandedcinematography.com/uploads/1/3/2/8/132814073/dibozinefo.pdf
- http://jomafivek.cwwdelta.com/uploads/1/3/2/3/132303117/1959161.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/8648/7455/files/61829042317.pdf
- https://cdn.shopify.com/s/files/1/0431/1737/9745/files/sipebevutonasepisabadezij.pdf
- https://cdn.shopify.com/s/files/1/0434/8110/4541/files/moxenulajeziwuk.pdf
- https://cdn.shopify.com/s/files/1/0434/2641/4749/files/free_3d_action_games_for_laptop.pdf
- https://cdn.shopify.com/s/files/1/0431/4149/6986/files/fomenevekelolijam.pdf
- https://cdn.shopify.com/s/files/1/0432/4950/0328/files/91442703364.pdf
- https://cdn.shopify.com/s/files/1/0434/5361/2182/files/bitoxid.pdf
- https://cdn.shopify.com/s/files/1/0440/6660/3158/files/nujadipitezuwosaludivisij.pdf
- https://cdn.shopify.com/s/files/1/0433/0923/6374/files/12871828548.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_off00006003.bin70db834385fe983150f684535d7b2e2c0fc4dc19f3214bf5c982a7f50ea8335e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6003 | 5248 bytes |
font_01_sfnt_off000071ae.bin65e93be55ad125fcb5146de99d1f28b2f532d4710aa7b0226dde46bb7606dc1f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71AE | 10052 bytes |
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