PDF malware analysis — malicious · 51418e9d0e003f2f

MALICIOUS

PDF

77.5 KB Created: 2021-03-09 09:45:10 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-29

MD5: 56b37945827105b4cecd2c1835db9593 SHA-1: e52c083327dc2bec7884271b71361050ce6eef18 SHA-256: 51418e9d0e003f2f32a49f046263519ccd2e207c40df882a7a14372431daad11

166 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous external URLs, many pointing to disposable hosting, and is flagged by ML classifiers and ClamAV as malicious. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document likely instructs the user to open a password-protected archive, a common tactic to bypass gateway security. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest an attempt to trick users into downloading further malicious content.

Machine Learning

Nyx PDF Classifier malicious score 0.9990

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
Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE

Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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://xezojetit.ru/wix?keyword=keto+burn+1250+instructions PDF link annotation
- https://static.s123-cdn-static.com/uploads/4450624/normal_5fe527ec41fa0.pdfIn PDF document text
- https://mubuzetuwifo.weebly.com/uploads/1/3/4/7/134703000/zupurunobevile-sonuv-bemufov.pdfIn PDF document text
- https://fijapirugonobi.weebly.com/uploads/1/3/4/3/134315317/naravove.pdfIn PDF document text
- http://burrrhey.tech/83795170487341pf.pdfIn PDF document text
- https://cdn.sqhk.co/rumomezojeku/gihg9ii/dictionary_app_for_pc.pdfIn PDF document text
- https://pisukobuvasojab.weebly.com/uploads/1/3/4/3/134398412/foforigal.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4473654/normal_60307960a93f7.pdfIn PDF document text
- http://cosmostil.top/struts_1._x_tutorialhyltl.pdfIn PDF document text
- https://juxufosuzuvol.weebly.com/uploads/1/3/1/4/131437906/fc2b4840c8145.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4479902/normal_601cb9f213e2e.pdfIn PDF document text
- http://zutatowatipo.mywebcommunity.org/nikon_super_coolscan_ls-5000_ed_review.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4413347/normal_5fd03ced9e313.pdfIn PDF document text
- http://koreatop.ru/what_does_a_roman_shield_look_liketssud.pdfIn PDF document text
- https://cdn.sqhk.co/jututumogu/gieTggl/spider-_man_boy_movie.pdfIn PDF document text
- http://liolika-rsya.ru/does_microsoft_sculpt_ergonomic_keyboard_work_with_mac2v0xe.pdfIn PDF document text
- http://witikotuxigere.scienceontheweb.net/71404295922.pdfIn PDF document text
- http://casbah2point0.com/best_responsive_html_website_templateswgybi.pdfIn PDF document text
- https://cdn.sqhk.co/sukonazukuv/8tAJvhh/51873491732.pdfIn PDF document text
- http://educationonline.website/rudejunerikomexovtoz.pdfIn PDF document text
- https://cdn.sqhk.co/sizafutito/fghidic/modern_wood_chair_legs.pdfIn PDF document text
- https://cdn.sqhk.co/dovawowo/n6v3gfY/4445961355.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4496616/normal_5fd27462edd55.pdfIn PDF document text
- http://revilokepudidu.mygamesonline.org/bowflex_xtreme_2_se_price.pdfIn PDF document text
- http://wotukujis.sportsontheweb.net/2217047658.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://desovizipelo.onlinewebshop.net/how_to_get_games_on_ti_nspire_cx_cas.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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000f151.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF151	5112 bytes
SHA-256: `976161af9f3c5ed9aaa1d11bf306a2567faf2d7fc12f529209444d554c368d12`
`font_01_sfnt_off000102d8.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x102D8	10948 bytes
SHA-256: `8a13b3f1def3f3733dcb1b09107a4d8f76048029471abc45eb803ccab3de3ae5`

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