MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that redirect to malicious infrastructure, specifically identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains text related to 'tax preparation' and includes the malicious URL, suggesting a phishing or scam attempt. The presence of numerous external PDF links, many pointing to benign content, indicates a link farm strategy to obscure the malicious redirector.
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=tax+preparation+interview+worksheet
- http://wulete.bayanhajj.com/uploads/1/3/2/6/132681862/jitavulobedegal.pdf
- http://files.newsforbusiness.com.au/uploads/1/3/0/8/130874359/nowijam_baguzetaxi.pdf
- http://files.westfordregency.com/uploads/1/3/1/3/131398010/3228959.pdf
- http://files.wilsonaussies.com/uploads/1/3/2/6/132680860/65a809.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/1024/5279/files/game_of_thrones_season_1_complete_kickass.pdf
- https://cdn.shopify.com/s/files/1/0458/5845/5705/files/takeuchi_tb230_parts_manual.pdf
- https://cdn.shopify.com/s/files/1/0428/4514/3206/files/bagpipe_tunes.pdf
- https://cdn.shopify.com/s/files/1/0437/0658/1147/files/66509922620.pdf
- https://cdn.shopify.com/s/files/1/0427/7154/6279/files/66709664396.pdf
- https://cdn.shopify.com/s/files/1/0440/5601/9109/files/858222649.pdf
- https://cdn.shopify.com/s/files/1/0439/0735/0696/files/jobomizosemurakogib.pdf
- https://cdn.shopify.com/s/files/1/0435/8579/8301/files/59992690887.pdf
- https://cdn.shopify.com/s/files/1/0432/1358/6600/files/ruxafikobuwekufazamozir.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_off0000766f.bin62032ed95b5f88df4b594d472a5e2c9e77e3a27448c21ab2510fba50c619aea5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x766F | 5108 bytes |
font_01_sfnt_off000087e4.binb8078f9db747ac69e25a378ceeec68109f911248e027615605d548ebbc4df5a5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x87E4 | 10148 bytes |
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