Malicious PDF — malware analysis report

Static analysis result for SHA-256 26ec42296e9a31b0…

MALICIOUS

PDF

74.1 KB Created: 2021-03-27 23:30:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-24
MD5: 8205a4a380242ffd99b5084d20b10b15 SHA-1: 3d76131e6690504c652f0791611790a7c9ed90fe SHA-256: 26ec42296e9a31b019fa692073305846d843c07096b80fabc3500894a24e63a4
126 Risk Score

Malware Insights

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

The PDF contains numerous embedded URLs pointing to disposable domains, a common tactic for phishing and malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it's designed to redirect users to malicious sites, likely as part of a phishing campaign or to download further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://dugedepap.ru/123?utm_term=bosch+tassimo+manual+uk PDF link annotation
    • http://leqqurint.online/40958772135s20bd.pdfIn PDF document text
    • http://dekovag.mypressonline.com/89952784284.pdfIn PDF document text
    • https://pirubanulap.weebly.com/uploads/1/3/4/8/134847944/5659092.pdfIn PDF document text
    • https://zutijuxugovoxi.weebly.com/uploads/1/3/4/6/134684331/lupeferogo_dutugavuvenilav_jurezuvupexoxo.pdfIn PDF document text
    • http://kofoxulemaxabur.22web.org/world_best_seller_book_of_all_time.pdfIn PDF document text
    • http://nejevefivi.mypressonline.com/exportacion_de_aguacate_hass_en_colombia.pdfIn PDF document text
    • http://fastgetme.online/8531094836hcmlp.pdfIn PDF document text
    • http://wamuwosola.mygamesonline.org/1483188048.pdfIn PDF document text
    • https://cdn.sqhk.co/sozivowemin/1ja6iaG/miror.pdfIn PDF document text
    • http://sutovuresas.mygamesonline.org/fusevan.pdfIn PDF document text
    • https://ziresaro.weebly.com/uploads/1/3/4/5/134509830/9070865.pdfIn PDF document text
    • http://7evenrp.ru/cooking_fever_restaurant_unlock_ordero2otz.pdfIn PDF document text
    • https://zunudomulu.weebly.com/uploads/1/3/4/6/134604261/dddced678c890.pdfIn PDF document text
    • http://duzegotola.medianewsonline.com/67092239274.pdfIn PDF document text
    • https://cdn.sqhk.co/genonitag/1gjygge/get_likes_on_facebook_picture.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://ruvanotewiz.rf.gd/vobox.pdfIn PDF document text
    • http://sadoboxijowem.myartsonline.com/33523251238.pdfIn PDF document text
    • http://zuputes.atwebpages.com/how_to_make_pycharm_use_python_3.7.pdfIn PDF document text
    • http://pasigajixivete.epizy.com/active_directory.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.

FilenameKindSourceSize
font_00_sfnt_off0000dc69.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDC69 2952 bytes
SHA-256: 013fc9f45313cdddd5762e6694753e55f6a85ad2eec225b6e17fd140af1ee5c7
font_01_sfnt_off0000e6f8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE6F8 5056 bytes
SHA-256: a6973d74fb6c7d7a64452f8cfbc24ba0636f5c58d38abe2d3dda792c2ef58a6d
font_02_sfnt_off0000f807.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF807 10180 bytes
SHA-256: c3fd608632e33096c84f7855064511aade23c4bf69bf1ebac4fa2f66ca1f356e

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