MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm and a direct link to a known malicious redirector, ttraff.com. The document body, though heavily obfuscated, contains text related to a 'chemical reactions worksheet grade 9' and the malicious URL, suggesting a lure to trick users into clicking the link. The ML classifier strongly indicates 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=chemical+reactions+worksheet+grade+9
- http://files.ministerdebweddings.com/uploads/1/3/1/4/131453106/fugazelibuw_mapovazefow_bunefe.pdf
- http://files.danaferrara.com/uploads/1/3/0/9/130969498/navasalabivomil.pdf
- http://files.happyhometherapy.com/uploads/1/3/0/8/130814611/07939b9.pdf
- http://files.fogg7.com/uploads/1/3/1/3/131381376/wolozexafovobej.pdf
- http://files.myleafandcompany.com/uploads/1/3/0/9/130969306/7207332.pdf
- https://cdn.shopify.com/s/files/1/0428/7463/4403/files/zibuvififuxog.pdf
- https://cdn.shopify.com/s/files/1/0431/4087/4408/files/buxorukefumejavejezefele.pdf
- https://cdn.shopify.com/s/files/1/0435/8907/5099/files/gabanixupobaderumiweluk.pdf
- https://cdn.shopify.com/s/files/1/0430/9676/8673/files/68227428906.pdf
- https://cdn.shopify.com/s/files/1/0430/6799/8362/files/bilajinowoka.pdf
- https://cdn.shopify.com/s/files/1/0433/5747/0870/files/teamviewer_8_old_version.pdf
- https://cdn.shopify.com/s/files/1/0436/1352/0029/files/10990503601.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/65925238695.pdf
- https://cdn.shopify.com/s/files/1/0437/1388/8405/files/wepiwoz.pdf
- https://cdn.shopify.com/s/files/1/0437/4459/2021/files/bremer_stadtmusikanten_text.pdf
- https://cdn.shopify.com/s/files/1/0434/5302/2369/files/american_taekwondo_association.pdf
- https://cdn.shopify.com/s/files/1/0431/4746/0768/files/retonelewujajojukisemades.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_off000067b1.bind6dde3d07fa017312c119db929a89ec237636f3c0d496b94ea893a0860c69139 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67B1 | 5568 bytes |
font_01_sfnt_off00007a7f.bine0c368e7cb6e024dfd489a72b0b630a1bbc3dae074b46762b252c15a5a9c04dc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A7F | 9940 bytes |
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