MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm and a direct link to a known malicious redirector, disguised as educational content. The primary malicious URL is https://ttraff.club/wix?keyword=parcc+grade+8+mathematics+practice+test+answers, which is likely used to distribute further malicious content. The document body, though heavily obfuscated, contains references to the malicious URL and appears to be a lure for users seeking test answers.
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=parcc+grade+8+mathematics+practice+test+answers
- http://files.highlight.pl/uploads/1/3/1/8/131857626/zafexugoduzoko.pdf
- http://gapem.wmeyer.com/uploads/1/3/0/9/130969140/469964.pdf
- http://sukaxipow.andersonolineacademy.com/uploads/1/3/1/8/131856516/f645f20acb40d92.pdf
- http://xunugaxi.urjcmunnews.com/uploads/1/3/2/8/132814930/tuxupipu.pdf
- http://files.palmoilinvestigations.org/uploads/1/3/1/8/131871657/banutodibu.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/9574/2882/files/88414235697.pdf
- https://cdn.shopify.com/s/files/1/0431/0397/7634/files/97334120284.pdf
- https://cdn.shopify.com/s/files/1/0432/2807/0052/files/60538998211.pdf
- https://cdn.shopify.com/s/files/1/0433/7070/9150/files/wodubidamosuwax.pdf
- https://cdn.shopify.com/s/files/1/0435/8779/7151/files/35023857075.pdf
- https://static.usrfiles.com/ugd/0b1cf2_2e4534aac4a94591b4b2a02db3cf312c.pdf
- https://static.usrfiles.com/ugd/fdee49_e67216503d9948f097da21f4aeb6dca7.pdf
- https://static.usrfiles.com/ugd/38eac1_b8a046ea41d64f40846eeccaed048614.pdf
- https://static.usrfiles.com/ugd/516574_ecced48352a04b7bb303ce71b1f3b872.pdf
- https://static.usrfiles.com/ugd/2813e2_ead88b3ba7464dfab01c4f23b4727bde.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_off00006220.bin3ff5cfc30337039449e12222b8b021650a44628872e396b77f76412718603ab3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6220 | 5740 bytes |
font_01_sfnt_off00007590.bin4fb34d1251c4a1ed79f83ce16acfd18a871ff6b6ac50922456859c71cd765dd0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7590 | 10360 bytes |
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