MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded links, with one identified as a known malicious redirector. The document body, though heavily obfuscated, suggests a lure related to an 'ap human geography unit 3 vocab test'. The presence of numerous links on disposable hosting further indicates a phishing or scam attempt. No scripts were extracted, but the primary attack vector appears to be directing users to malicious URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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 is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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://yafferge.ru/aws?utm_term=ap+human+geography+unit+3+vocab+test In PDF document text
- https://static.s123-cdn-static.com/uploads/4406191/normal_5fec1976a1139.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4476577/normal_603e24d6b973e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4480749/normal_5fe0e0174efbd.pdfIn PDF document text
- http://kolagozisil.mywebcommunity.org/29432983213.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4479223/normal_601b0f22210c8.pdfIn PDF document text
- http://xesapuwax.mywebcommunity.org/63373927466.pdfIn PDF document text
- http://navevukosuso.mypressonline.com/58398115464.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://pusapovewazigu.onlinewebshop.net/what_are_the_steps_to_becoming_an_army_ranger.pdfIn PDF document text
- https://d6b7b3c7-8429-4d82-9d75-5d5d09e763cc.filesusr.com/ugd/a8c229_ee551b56af7c4da8a82dfd04deeeefc4.pdf?index=trueIn PDF document text
- https://033a7475-7ccb-45c1-8f1e-38fd320d48d0.filesusr.com/ugd/03a576_e4e933c4bd5c498fa67ffcbd2840e5d8.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/patotale/whatsapp_plus_gold_for_android.pdfIn PDF document text
- https://4b3b4da4-1145-40fd-8a04-0ac29766dab0.filesusr.com/ugd/6c6203_ee81e29f72614bbcae919a8306a00660.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/vixuwogetiv/44186762327.pdfIn PDF document text
- https://cf176ec6-4820-456b-adf9-61e5f06c968f.filesusr.com/ugd/43d598_4fe2817437c440d5bc1e1f96db70a18b.pdf?index=trueIn PDF document text
- https://69cf8a46-0d3d-4b71-8fd1-93df925da18e.filesusr.com/ugd/e4064d_bcf5e262350c456b83262c0d8d4d91cd.pdf?index=trueIn PDF document text
- https://d38713d8-f9e0-49bf-8e72-3f46774ce551.filesusr.com/ugd/b3faf5_36c7144290f64339bc22988d49195ace.pdf?index=trueIn PDF document text
- http://mugazukadum.onlinewebshop.net/1280548603.pdfIn PDF document text
- https://a98f38e8-5810-4fc9-be6a-c3d78c7c4f9f.filesusr.com/ugd/921909_6845f74a904e435586dcc69c7dec93f5.pdf?index=trueIn PDF document text
- https://0b21792c-a699-4cf4-8833-5910c6ad58af.filesusr.com/ugd/b0b521_35a478e5256f4c3887f00baa425285c9.pdf?index=trueIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00012f56.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F56 | 5772 bytes |
SHA-256: 54c2150ff7abdf5dfdf517c1c1159b1af75dd7734a16e52b66e8d1c338033bc9 |
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font_01_sfnt_off000142dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x142DC | 11732 bytes |
SHA-256: 653faa5e6c462245abb07faf69bb92824cb34286ec563db1f3ace25970393ffc |
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