MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'Ap biology practice test 1 answers' and includes the malicious URL, suggesting a lure to redirect users to potentially harmful content. The ML classifier also strongly indicated maliciousness.
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://gettraff.ru/pify?keyword=ap+biology+practice+test+1+answers
- https://leruzifu.weebly.com/uploads/1/3/2/3/132302941/3811535.pdf
- https://kakakirikixego.weebly.com/uploads/1/3/4/3/134318951/ridexemimofuwez-miguma.pdf
- https://wulodegekejiwa.weebly.com/uploads/1/3/4/2/134266030/butarigebagigux.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0440/0542/5310/files/44427005078.pdf
- https://cdn.shopify.com/s/files/1/0478/0061/5071/files/income_guidelines_for_food_stamps_in_arizona.pdf
- https://cdn.shopify.com/s/files/1/0499/8892/7647/files/vhs_camera_apk_full.pdf
- https://cdn.shopify.com/s/files/1/0492/2484/3420/files/popatal.pdf
- https://s3.amazonaws.com/wujodibu/seamless_pipe_schedule_chart.pdf
- https://cdn.shopify.com/s/files/1/0435/6577/7059/files/cnil_guide_rgpd_tpe_pme.pdf
- https://s3.amazonaws.com/pujinit/metallica_blackened_guitar_tab.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_off0000665d.binc03f2b30c317af946ebbce67fbea2071e3cc986397d0de25c5b7d11325b81653 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x665D | 5264 bytes |
font_01_sfnt_off0000785d.bind9e5479596957c72efb610e1726cc07a1df109fe07648636469dac2cfe65b2a2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x785D | 10624 bytes |
font_02_sfnt_off00009c78.bind1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9C78 | 4324 bytes |
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