PDF malware analysis — malicious · cd2408e0ed753f2d

MALICIOUS

PDF

75.2 KB Created: 2021-03-27 15:02:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-08-25

MD5: fc2be76e729a3732208b9d587ec19ddb SHA-1: 9403169e0bf808f7350913a9e3eeb825335bf294 SHA-256: cd2408e0ed753f2dfd08bce39d5a1342f178904f2b9be1af9d51060687c2e160

126 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript T1203 Exploitation for Client Execution

The PDF contains numerous embedded URLs, many pointing to disposable domains, indicating a link farm designed to obscure malicious destinations. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution. While no scripts were directly extracted, the PDF structure and URL patterns are consistent with techniques used to redirect users to exploit kits or phishing sites.

Machine Learning

Nyx PDF Classifier malicious score 0.9996

Heuristics 5

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 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://lozipotod.ru/wix?keyword=wag+dog+safety+test+answers+quizlet PDF link annotation
- http://kopogaxepaku.sportsontheweb.net/73563270847.pdfIn PDF document text
- http://ropajogojijegaf.22web.org/blackberry_bold_9930_user_manual.pdfIn PDF document text
- http://indonesia2health.online/how_to_use_oster_pro_1200_blenderxc182.pdfIn PDF document text
- https://xadifopelizil.weebly.com/uploads/1/3/4/7/134771643/9fe7377c7.pdfIn PDF document text
- https://guxitubekin.weebly.com/uploads/1/3/4/2/134267073/saxatokazeguxesaw.pdfIn PDF document text
- http://zelumefepa.sportsontheweb.net/accounting_standards_2020.pdfIn PDF document text
- https://cdn.sqhk.co/totarujined/gjzqAau/wifisfuneral_can_t_feel_my_face.pdfIn PDF document text
- https://xizotuvulozig.weebly.com/uploads/1/3/1/8/131856772/2247266.pdfIn PDF document text
- http://dalnoboyi.xyz/3_month_old_baby_development_in_hindi7p0lz.pdfIn PDF document text
- https://bopilewe.weebly.com/uploads/1/3/4/5/134523270/tetomelib_xesufesi.pdfIn PDF document text
- https://cdn.sqhk.co/ramazunor/iijiie4/nightfall_armor_outer_worlds.pdfIn PDF document text
- https://cdn.sqhk.co/kalusoxat/bhaigNV/vexupigipiwepozika.pdfIn PDF document text
- https://bazifimu.weebly.com/uploads/1/3/4/6/134661545/wotovuweviwuto.pdfIn PDF document text
- http://kino-vezde.ru/zetevudovhzdp3.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/63f7538d-ddab-48f5-9418-909fbc51b7eb/what_is_the_fifth_step_in_aa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/adef82b9-2fe7-454f-8ac6-53c02955a501/how_to_fix_keurig_2.0_coffee_maker_that_wont_brew.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/494f57b1-786e-4109-9a16-cd3352d80f78/sportspower_brookside_wooden_swing_set_reviews.pdfIn PDF document text
- http://bironibubelad.rf.gd/zixuliloxidawi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3d691bcc-1553-4724-b0e6-ba35d08e3dee/77968411565.pdfIn PDF document text
- http://wefixewixe.rf.gd/aws_cloudformation_s3_bucket_name.pdfIn PDF document text
- http://regufowes.epizy.com/past_perfect_tense_past_simple_exercises.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000d9ae.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD9AE	5340 bytes
SHA-256: `1a26185e237059445a5cebc53e03433ccf4fb9f71fe897701088e7881628f194`
`font_01_sfnt_off0000ebfc.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEBFC	10764 bytes
SHA-256: `f5b16e111d1ab22ae1082f4e7f1e31273234ec71a527d04e47a174b764ac95a4`
`font_02_sfnt_off00011094.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11094	4324 bytes
SHA-256: `cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34`

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