Malicious PDF — malware analysis report

Static analysis result for SHA-256 00e23e08bf8b9a84…

MALICIOUS

PDF

39.9 KB Created: 2020-11-03 10:37:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: da07718c9c5dfd7122bba0e9eca8e2f2 SHA-1: be293260d58b753461b5ceaeadaaa403b82ccc8e SHA-256: 00e23e08bf8b9a84ab70615dc20223f1e90dfc4dd0d7beee7ffb43d4cd062b89
114 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript T1203 Exploitation for Client Execution

The PDF contains a heuristic firing for a malicious redirector link and a callback phishing lure, indicating an attempt to trick the user into a fraudulent interaction. The embedded URL, 'https://gettraff.ru/aws?keyword=carrie+williams+cpa', is flagged as malicious. While no scripts were explicitly extracted, the PDF structure and malicious link suggest it's designed to initiate a scam or download further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • 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://gettraff.ru/aws?keyword=carrie+williams+cpa In PDF document text
    • https://mitegasur.weebly.com/uploads/1/3/1/8/131871816/e662355385153b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4376619/normal_5f956d3702064.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/5f66b4cc-9709-40d2-9366-1a792b304c89/la_cadena_de_valor_y_la_ventaja_comp.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7c7da509-a833-41dc-8c1e-7b0b36e73e71/quiver_education_free_download.pdfIn PDF document text
    • https://s3.amazonaws.com/kudefem/arkham_asylum_a_serious_house_on_serious_earth_maxie_zeus.pdfIn PDF document text
    • https://s3.amazonaws.com/retobifulipo/spirit_world_witchery_mod.pdfIn PDF document text
    • https://s3.amazonaws.com/zikeko/zearing_iowa_zip.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3119474f-980c-48aa-9a84-a6226e087c76/fuzowowunoxevukevugu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/14115c61-d2ac-400a-9863-0646e7b053db/jokajerujixusemofib.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.

FilenameKindSourceSize
font_00_sfnt_off00005c27.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C27 5076 bytes
SHA-256: 47ff976a7c768f6dcb39df3ee0ff9aca1f0b5ef45e8b4b65d26ca4b4435a16a0
font_01_sfnt_off00006d64.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D64 11044 bytes
SHA-256: 1958a6e72ea718820f9ba6af58214732048740fd9c86fdd699f708a94c70d2e3

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