MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link farm and a critical heuristic firing for a malicious redirector. The document body, though heavily obfuscated, contains text related to LSAT questions and a URL that is also present in the extracted URLs list. The primary malicious URL is https://ttraff.cc/pify?keyword=free+practice+lsat+questions+with+answers, which is likely used to redirect users to a malicious site. No scripts were extracted, but the PDF structure and embedded links indicate a phishing or redirection attempt.
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.cc/pify?keyword=free+practice+lsat+questions+with+answers
- http://lizalal.rachelhenson.com/uploads/1/3/1/4/131453960/wimupibixozotet.pdf
- http://files.thevolunteerclub.com/uploads/1/3/0/7/130740213/tamatitesipiwax.pdf
- http://xuvenoxib.standrewsweb.com/uploads/1/3/1/0/131070722/tiwepotojuze.pdf
- http://files.txheartlandins.com/uploads/1/3/0/9/130969148/72095b057f1e3.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/9869/4042/files/static_gk_capsule_2020_ibps_guide.pdf
- https://cdn.shopify.com/s/files/1/0439/3077/9816/files/vawamipamuxizenavewolafuk.pdf
- https://cdn.shopify.com/s/files/1/0433/1687/1336/files/5372838315.pdf
- https://cdn.shopify.com/s/files/1/0434/4807/4396/files/11794048211.pdf
- https://cdn.shopify.com/s/files/1/0436/0978/4482/files/57979232039.pdf
- https://cdn.shopify.com/s/files/1/0430/4414/3253/files/26217157337.pdf
- https://cdn.shopify.com/s/files/1/0437/4603/3818/files/34081833673.pdf
- https://cdn.shopify.com/s/files/1/0433/4272/5275/files/13287952659.pdf
- https://cdn.shopify.com/s/files/1/0437/8597/8013/files/english_grammar_for_5th_class.pdf
- https://cdn.shopify.com/s/files/1/0444/4710/5191/files/kekizigibovexitetetiwiw.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_off00005cec.bina361aba30fd00b81593a315d78ca1c6d7c1a27cf096e34de4ccc2ed6dc45d3ad |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CEC | 5192 bytes |
font_01_sfnt_off00006ea3.bin1be0d4e19ebacc9495d59a26d01536cadff2669e43f089add278883b687accd3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EA3 | 10128 bytes |
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