MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text related to 'balancing and types of chemical reactions worksheet answers' and a URL that matches the one flagged by the redirector heuristic. This suggests a phishing or scam attempt to direct users to malicious content.
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.club/wix?keyword=balancing+and+types+of+chemical+reactions+worksheet+answers
- http://narugub.mississauganation.com/uploads/1/3/0/7/130776228/684019.pdf
- http://files.carriagesatbriargate.com/uploads/1/3/0/8/130814043/lupinavenitaje.pdf
- http://files.cmclarkscenic.com/uploads/1/3/0/7/130738657/bigilegibife_legixase.pdf
- http://sivugipur.paradigmapps.com/uploads/1/3/1/6/131637483/dofevar_derunexiduxot_vemopezu_zonunetokox.pdf
- https://cdn.shopify.com/s/files/1/0431/4103/8229/files/gakemiva.pdf
- https://bc7312fe-5b1e-44ad-8c06-78670b7a068e.filesusr.com/ugd/bb4607_09f216c3e6a44cbd8ff272990993808e.pdf?index=true
- https://eb4a723d-8a0e-4f84-b485-a5505225d747.filesusr.com/ugd/895bef_42e22747987b4b2bb9efa28c2065efab.pdf?index=true
- https://d84958f8-ad2f-4874-958a-49cafecf37d9.filesusr.com/ugd/3ed902_641188b851dd4d0c996171b424eaf326.pdf?index=true
- https://cdn.shopify.com/s/files/1/0468/1151/2986/files/17659626431.pdf
- https://cdn.shopify.com/s/files/1/0431/2609/6036/files/fovoja.pdf
- https://cdn.shopify.com/s/files/1/0461/9898/0757/files/possessive_nouns_and_adjectives_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0450/6189/8390/files/billboard_meaning.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000629a.bine2ad7bd03d8ec9729aa5b5f4520dc062f48bf80801f6e8d1ad17cfaf51df380c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x629A | 5664 bytes |
font_01_sfnt_off000075ba.bin1ba07b8ec71d3f4b545f06374b3efad074492bf5cb1ac24282c7990a0f5de878 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75BA | 9940 bytes |
font_02_sfnt_off000097bf.bince7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x97BF | 4324 bytes |
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