PDF malware analysis — malicious · 7775a30a4ada5c81

MALICIOUS

PDF

78.7 KB Created: 2021-05-02 18:25:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-23

MD5: 111e64e824c8659443078efb9b7e2e0b SHA-1: 2cc52c911c8a855f902c113a2e6993c319349991 SHA-256: 7775a30a4ada5c81e6038041c229253d5f92a9fa1170dfc84ee5c593c69fa7ed

126 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous embedded URLs, with one specifically pointing to a suspicious domain ('jumiwimov.ru') that is flagged as external. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware delivery. Although no scripts were explicitly extracted, the PDF structure and embedded links suggest it's designed to redirect users to malicious content.

Machine Learning

Nyx PDF Classifier malicious score 0.9990

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://jumiwimov.ru/strik?utm_term=hp+p1606dn+toner+light+flashing PDF link annotation
- https://cdn-cms.f-static.net/uploads/4370996/normal_604cc964d4f23.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4474211/normal_60535eb41279b.pdfIn PDF document text
- http://stroy-level.ru/food_safety_manager_certification_new_mexicoog7d4.pdfIn PDF document text
- http://coolvdomaion.online/sesixisigazezovujorod3bw3.pdfIn PDF document text
- http://dudosawiroti.22web.org/15143499457.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4501231/normal_604d19db623fa.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4473035/normal_604cc3b46893c.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4486213/normal_5fcf025a18fa0.pdfIn PDF document text
- http://jelolizabuvixi.22web.org/numbers_in_spanish_1-_1000.pdfIn PDF document text
- http://martakkord.ru/ribekegi9pnj2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415052/normal_6045fde8bb6da.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367004/normal_602faeb97e996.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384150/normal_6049e6dd94650.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481515/normal_6024b5b786030.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404297/normal_60184d558ab99.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://s3.amazonaws.com/fojaxexino/critical_applied_linguistics_a_critical_introduction.pdfIn PDF document text
- https://s3.amazonaws.com/kewakuko/kovarolilatazigulewipesul.pdfIn PDF document text
- http://jasetaroxakil.rf.gd/jilojogoxetulug.pdfIn PDF document text
- https://s3.amazonaws.com/jesidofefe/free_indesign_4_page_newsletter_template.pdfIn PDF document text
- http://sidigoxe.rf.gd/catia_v5_automotive_interior_trim_training.pdfIn PDF document text
- https://s3.amazonaws.com/dazuxujepov/aa_groups_in_my_area.pdfIn PDF document text
- http://miwofalixi.rf.gd/formas_de_bardear_un_terreno.pdfIn PDF document text
- http://fatixoromagik.epizy.com/what_is_the_main_idea_of_little_red_riding_hood.pdfIn PDF document text
- http://pagujuropiwadiv.rf.gd/buckingham_palace_information_wikipedia.pdfIn PDF document text
- http://boxosupeteb.epizy.com/52416576685.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_off0000e790.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE790	5400 bytes
SHA-256: `4be490b5f0236da566b0d40e6ca186910ed5be3213e94105c36d98abbb375b04`
`font_01_sfnt_off0000f9d8.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF9D8	10912 bytes
SHA-256: `5ce153b9af36ea32e82989eb40e25e0567fab2c63a432a1a3f5b06c0839ae0bb`
`font_02_sfnt_off00011ef0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11EF0	4324 bytes
SHA-256: `1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e`

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