MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link that redirects to a known malicious domain, disguised as 'Enzyme catalysis lab answers'. This heuristic, combined with the ML classifier flagging the PDF as malicious, strongly suggests a phishing or redirection attack. The document body and embedded links are designed to trick the user into visiting the malicious URL.
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/wix?keyword=enzyme+catalysis+lab+answers
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0441/0834/9592/files/33208833131.pdf
- https://cdn.shopify.com/s/files/1/0430/0419/9075/files/82781053543.pdf
- https://cdn.shopify.com/s/files/1/0427/7898/4614/files/pazamejasezivexotodu.pdf
- https://cdn.shopify.com/s/files/1/0430/8343/2096/files/calculus_for_the_life_sciences_greenwell.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/dipipopiluniwewikojidil.pdf
- https://cdn.shopify.com/s/files/1/0455/6845/8917/files/vixemujukuvojamo.pdf
- https://static.usrfiles.com/ugd/5b9a87_00f6f9229fed43a5864f97fec8670d11.pdf
- https://static.usrfiles.com/ugd/dc98cc_2f447eafeeec4fe8ba34e0c308d80821.pdf
- https://static.usrfiles.com/ugd/e7e4a0_96d1b71e6c5345cb94799d3e77b6d368.pdf
- https://static.usrfiles.com/ugd/0c41e7_4cb0c9d0064a401e8a591c591fef55e4.pdf
- https://static.usrfiles.com/ugd/ca300b_9a71de18d1394cd89e58728d1f501445.pdf
- https://static.usrfiles.com/ugd/b8c837_c0812bb7e82e41c58e9700235dc98bac.pdf
- https://static.usrfiles.com/ugd/ec0c41_4551eb2f436f4a03a93fb7c04002fe67.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006850.bin1128813c5994795a7e57de38e147a38b455035f2303ec70fc3307dd63adba901 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6850 | 4964 bytes |
font_01_sfnt_off00007922.bin1ed26365df9c182d9a6b943f796e724243c0fd631f20763b55f3b5123d0fbb24 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7922 | 14924 bytes |
font_02_sfnt_off0000a753.binff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA753 | 4324 bytes |
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