MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded links, with one pointing to a known malicious redirector infrastructure. The document body, though heavily obfuscated, appears to be a lure for educational notes, suggesting a phishing or malware distribution attempt. The presence of numerous external PDF links, many hosted on Shopify, further indicates a link farm designed to obscure the malicious redirector.
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/pify?keyword=biology+form+4+and+5+short+notes
- http://files.feedmeupdelivery.com/uploads/1/3/1/8/131871849/dunugefubiwexixe.pdf
- http://zibawinif.simplelifecitywife.com/uploads/1/3/0/7/130775085/wubasal.pdf
- http://files.ecpizzeria.com/uploads/1/3/1/4/131438784/pitebopeziw_fovelibovolusis_kejotup.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/3350/9534/files/basubaninaf.pdf
- https://cdn.shopify.com/s/files/1/0430/8667/6117/files/vujokazav.pdf
- https://cdn.shopify.com/s/files/1/0434/8638/0197/files/vazewoli.pdf
- https://cdn.shopify.com/s/files/1/0429/8578/3455/files/47665240666.pdf
- https://cdn.shopify.com/s/files/1/0438/2674/1405/files/colby_sawyer_moodle.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/66691602327.pdf
- https://cdn.shopify.com/s/files/1/0437/3423/7333/files/cry_my_beloved_country_movie.pdf
- https://cdn.shopify.com/s/files/1/0435/2750/4024/files/bepulodefovok.pdf
- https://cdn.shopify.com/s/files/1/0436/7450/1285/files/posisuwivoz.pdf
- https://cdn.shopify.com/s/files/1/0437/0307/4984/files/benodisedonamugavu.pdf
- https://cdn.shopify.com/s/files/1/0432/4163/5997/files/jejitotitizogabasawu.pdf
- https://cdn.shopify.com/s/files/1/0434/1058/7800/files/ronotazumevo.pdf
- https://cdn.shopify.com/s/files/1/0433/0402/6280/files/bawovodop.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005fc5.bincf047da45dacfa6a2731774e67df7838d73f7c5526da13d409267aa7d1d36ea6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FC5 | 5684 bytes |
font_01_sfnt_off000072fd.bin8fd606bc01f200a56f8d8ddcbd0e7db67b58d457e0f135a03401b184cdffa43e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72FD | 10308 bytes |
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