Malicious PDF — malware analysis report

Static analysis result for SHA-256 a1191d9fa8ba31a7…

MALICIOUS

PDF

74.9 KB Created: 2021-03-23 05:22:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a25ab05b27a7392e78eca79f468167a7 SHA-1: d3180b00623c3b1b566a2fe68563a6d484e2282d SHA-256: a1191d9fa8ba31a7c856320816d6796383ec62ce08bc814ea58212ce568b6a3a
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains an embedded URL that directs to a suspicious domain, likely intended to host phishing content or a further payload. ClamAV detection and ML classification strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URI suggest it is designed to trick users into navigating to a malicious site, potentially for credential harvesting or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://kuzutuzo.ru/aws?utm_term=is+a+steam+oven+better+than+a+microwave
    • https://cdn.sqhk.co/puwipaneke/Z9j3jja/color_picker_rgb_from_image.pdf
    • http://cadenalia.com/wixemamejufinipunemaxefistraj.pdf
    • http://vamoktin.ru/tijenutezesilixusykww.pdf
    • https://cdn.sqhk.co/xelalizogim/ibihgh5/67103902035.pdf
    • http://sodalabs.club/new_dog_man_book_december_2019oc6n3.pdf
    • https://cdn.sqhk.co/jadidawa/jamjige/zifivukafadazex.pdf
    • https://cdn.sqhk.co/fifibaje/e5WAggv/22456073381.pdf
    • http://fiwuwoxas.22web.org/a_christmas_carol_broadway_2019_reviews.pdf
    • https://cdn.sqhk.co/gobisofokox/K4KdYjf/tuning_fork_therapy_youtube.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://zotawof.rf.gd/what_is_compaction_factor_of_concrete.pdf
    • http://natetagawavitir.rf.gd/nivojuso.pdf
    • https://69f1164a-dcd3-4310-9fb4-3b67f03bdbb0.filesusr.com/ugd/9d7282_ec4162f05c1044548341e6ed1a663ca4.pdf?index=true
    • https://uploads.strikinglycdn.com/files/8226b351-64d4-44dd-964d-597d053c3e6f/niwofedupidevuniwumi.pdf
    • https://5c2df1de-05ea-4e17-9aa3-38adc7ce3153.filesusr.com/ugd/ddd609_5e04a44f8d3c43a985547fbb11cc48e9.pdf?index=true
    • https://uploads.strikinglycdn.com/files/a99d3891-2df6-4511-820c-5cd77fafcd7c/pretty_little_liars_season_1_episode_3_recap.pdf
    • https://3e021c9a-284a-4c54-9ba1-f6d43d4d2ba5.filesusr.com/ugd/a619af_8164b498ddfc41ac8052509edb2e22d2.pdf?index=true
    • https://3b0fe5ff-7f86-489c-8138-fc984e51136c.filesusr.com/ugd/bfd78a_35bf7ac9cf5940d997f8549d10d67841.pdf?index=true
    • https://uploads.strikinglycdn.com/files/597268f3-66ba-4ec8-86a7-dd6d4663a4b8/why_cant_my_computer_detect_my_garmin.pdf
    • https://uploads.strikinglycdn.com/files/366fa59c-3f5c-4704-951d-4bca45863919/59778366868.pdf
    • https://62abf401-5fc9-4991-ac00-cb6a0c8cf8ec.filesusr.com/ugd/e4ff69_65ad77f9c25b45449ab05f9e02ec76a0.pdf?index=true
    • 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.

FilenameKindSourceSize
font_00_sfnt_off0000e721.bin
8a58aa1f07ee7ee0c8ca58dbdefa991b817b10a05411559c410aebeaf567bb6c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE721 5236 bytes
font_01_sfnt_off0000f8da.bin
eda952d53578c3305be64bf0cf1040990662147e6e13bcacf6f3f27d82149dc9		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF8DA 11372 bytes

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