MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'biology module 4 test answers' and the malicious URL, suggesting a lure to a phishing or scam site. The presence of a link farm further supports the malicious intent.
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.ru/pify?keyword=biology+module+4+test+answers
- http://files.trinityalpscmf.org/uploads/1/3/1/4/131438405/sulejisinigudomiru.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/0849/1673/files/john_mcgrath_a_good_night_out.pdf
- https://cdn.shopify.com/s/files/1/0434/0000/3749/files/access_bars_livre.pdf
- https://cdn.shopify.com/s/files/1/0430/2677/6227/files/74616917801.pdf
- https://cdn.shopify.com/s/files/1/0430/3355/9203/files/togazuxefo.pdf
- https://cdn.shopify.com/s/files/1/0431/6761/3087/files/lixugofusuvulazofipusis.pdf
- https://cdn.shopify.com/s/files/1/0431/3789/2509/files/juvuxuni.pdf
- https://cdn.shopify.com/s/files/1/0430/8251/4581/files/lunar_calendar_information_in_marathi.pdf
- https://cdn.shopify.com/s/files/1/0431/0643/5232/files/24591379180.pdf
- https://cdn.shopify.com/s/files/1/0431/5322/7936/files/xiwuxexaretuxoke.pdf
- https://cdn.shopify.com/s/files/1/0434/5203/9328/files/rowowexer.pdf
- https://cdn.shopify.com/s/files/1/0438/1147/1520/files/rodojakebipamub.pdf
- https://cdn.shopify.com/s/files/1/0429/6579/4965/files/jivotomomowula.pdf
- https://www.brainscape.com/subjects/biology-module-4
- 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_off00004383.bin7cc5a85d8f4a3acdba5317227e8e5c267b78bcba656b9c3d9f91eac15ae952db |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4383 | 5476 bytes |
font_01_sfnt_off00005622.binae7cd1518ed77aa5f77ed2f9bd9c8740e834780afc789efd584d570676bd95b9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5622 | 9956 bytes |
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