PDF malware analysis — malicious · 4f5cd5830d72226b

MALICIOUS

PDF

82.1 KB Created: 2021-04-05 01:29:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-08-20

MD5: 46965046193c2be414f392258bcc8f47 SHA-1: c4fa2bc903d68ac3c7599d88aa9a2635d1eb7b7f SHA-256: 4f5cd5830d72226bb166f2317284784cb89830e6c4a09e1d4ebcc8b12de1a333

186 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was flagged as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm used for phishing or distributing further malware. The document body, though heavily obfuscated, contains references to 'Baillie Gifford funds annual report' and 'wkhtmltopdf', likely a lure to disguise the malicious nature of the links.

Machine Learning

Nyx PDF Classifier malicious score 0.9995

Heuristics 6

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small 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.
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small 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.
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The 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.
Embedded URL info EMBEDDED_URL

One 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://jumiwimov.ru/123?utm_term=baillie+gifford+funds+annual+report PDF link annotation
- http://wordsidepost.top/jexowumabijapigokeg1g1o5.pdfIn PDF document text
- http://nesegejisivinu.medianewsonline.com/ruduwugonevuxubefa.pdfIn PDF document text
- http://wukosemat.22web.org/furevenudedujujad.pdfIn PDF document text
- https://pedexanagokol.weebly.com/uploads/1/3/4/6/134635549/suregamar-fajud-sorovid-fedepul.pdfIn PDF document text
- https://xujopikaxatanow.weebly.com/uploads/1/3/4/8/134850499/03ef8ab659d4.pdfIn PDF document text
- http://jiguvesowa.22web.org/easy_recipes_for_beginners_vegetarian.pdfIn PDF document text
- http://rukusifokib.22web.org/jusutazuxirunutuvadovimi.pdfIn PDF document text
- http://bunagutafa.getenjoyment.net/24361031560.pdfIn PDF document text
- https://sotumeramevoma.weebly.com/uploads/1/3/0/9/130969712/mivil_rebas.pdfIn PDF document text
- http://bupitubegedew.getenjoyment.net/infermieristica_clinica_in_ortopedia_e_traumatologia.pdfIn PDF document text
- http://zawukinaloluku.sportsontheweb.net/66924162752.pdfIn PDF document text
- https://dadizatutelebi.weebly.com/uploads/1/3/1/0/131070904/3876263cca8.pdfIn PDF document text
- http://istlan.fun/63337686501mskyr.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/11b3a66e-d693-498e-a531-9639e1b31287/objections_to_pmk_deposition_notice.pdfIn PDF document text
- https://f110cc6a-49d6-427c-9ab6-a3a4d323b004.filesusr.com/ugd/9e53d4_ebd0967c61844d479821619f77b9b4f3.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/d08874e0-fbf9-4429-84b0-b2d5ad8e3631/basic_fantasy_rpg_character_sheet.pdfIn PDF document text
- https://486a928f-df87-4682-b39c-9199637d78f9.filesusr.com/ugd/982a49_74880e6f07ae479386d3ef1d7d251054.pdf?index=trueIn PDF document text
- http://fuginovotaroni.epizy.com/causeries_du_lundi.pdfIn PDF document text
- https://6e7ef639-f89a-4701-86f9-710a836f1183.filesusr.com/ugd/12745a_85e208f8003a4f2094e86e72e50c6a58.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/ea2402ce-0a14-4b98-9a37-d2b16f381cda/90748179257.pdfIn PDF document text
- https://2c9641c8-5874-4869-9b94-f1378e60aa6b.filesusr.com/ugd/efc1f6_d07474e98c424e958e7ebf1466420066.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/87609bf1-0df1-4fcb-a087-5113e3283aa1/arduino_programming_handbook.pdfIn 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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000eb91.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEB91	5260 bytes
SHA-256: `9ea66c17eeb2d71540f0902b909c6e538ade122e9a6a5860876e2f193711bf06`
`font_01_sfnt_off0000fd87.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFD87	11256 bytes
SHA-256: `e94d3df6e7b547e115181aae2be0849292ca81578477ac3f83f21853a36165f6`
`font_02_sfnt_off000123ff.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x123FF	16204 bytes
SHA-256: `e93acd332f5893643511f4cefd38969ad5c744ad1b08842a788b6be7d277dd15`

Open this report in the interactive analyzer, or submit your own file for analysis.