MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The document body, though obfuscated, contains text related to 'test answers' and the malicious URL, suggesting a lure. The ML classifier also strongly indicated maliciousness. The file is likely part of a phishing campaign or a link farm designed to distribute malware.
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.me/wix?keyword=dau+acq+202+test+answers
- http://files.legendsgolfclub.org/uploads/1/3/1/3/131383665/6087186.pdf
- http://files.blythetierneydevermakeup.com/uploads/1/3/1/4/131406181/xagixur.pdf
- http://zixapo.industryumc.org/uploads/1/3/1/4/131454207/5709541.pdf
- http://files.laanimal.com/uploads/1/3/1/4/131407742/zuromuj_kozitiv.pdf
- http://vinajomaf.wilsonhypnotherapy.com/uploads/1/3/1/4/131437308/rabiba-vejififawe.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/8564/3420/files/sizukajefekezolopiwetuw.pdf
- https://cdn.shopify.com/s/files/1/0427/4126/8647/files/51685009673.pdf
- https://cdn.shopify.com/s/files/1/0431/0866/3456/files/13870250408.pdf
- https://cdn.shopify.com/s/files/1/0429/7503/5541/files/nojuz.pdf
- https://cdn.shopify.com/s/files/1/0431/8137/5648/files/35892080962.pdf
- https://cdn.shopify.com/s/files/1/0433/6300/8664/files/kijeta.pdf
- https://bb925647-fd47-436c-a2c8-fbead4b283bb.filesusr.com/ugd/6f58fb_a25faa338a504f26a79d0df0acc486b2.pdf?index=true
- https://d56e4447-a3eb-42dc-b6a4-ef6dda2d412c.filesusr.com/ugd/c722c2_d3ff32b265ef4ef489e68b257ca630b3.pdf?index=true
- 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_off0000439a.bin5cb67046362ae67119b5426e80b41f1a61d73a440841038e57be9df386a7ed27 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x439A | 5252 bytes |
font_01_sfnt_off000055a3.bin490bbf744cd0473b2f20b0a3e83e333f63ba8b725cbd7f874d5dccff9074de52 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x55A3 | 14120 bytes |
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