Malicious PDF — malware analysis report

Static analysis result for SHA-256 696f7d49a9cd87aa…

MALICIOUS

PDF

68.4 KB Created: 2020-11-13 18:24:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-27
MD5: 6e70e270d4dfa668f30db873b42122db SHA-1: db202cca98b7583c6531e0460275c7e374485a72 SHA-256: 696f7d49a9cd87aa6df8def793633c634fd524754110793135ef80e266243b46
214 Risk Score

Malware Insights

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

The PDF contains embedded links that redirect to known malicious infrastructure, specifically a URL related to downloading a movie. The heuristic firings indicate this PDF is a malicious redirector and part of a link farm, strongly suggesting a phishing or malware distribution attempt. While no scripts were explicitly extracted, the PDF structure and embedded URLs are sufficient to infer a malicious intent to redirect users to harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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
  • 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.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://cctraff.ru/strik?utm_term=download+god+of+egypt+full+movie+hd In PDF document text
    • https://cdn-cms.f-static.net/uploads/4367674/normal_5f8cf4d790b72.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4374853/normal_5f8ac91087669.pdfIn PDF document text
    • https://nujidigazinuwag.weebly.com/uploads/1/3/4/3/134318548/reragitesajar.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4416810/normal_5f9f8dd417ee4.pdfIn PDF document text
    • https://dedeluruxizo.weebly.com/uploads/1/3/4/3/134305162/poxezuzixuzulujezem.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4377410/normal_5f9695fec2146.pdfIn PDF document text
    • https://didavetamij.weebly.com/uploads/1/3/4/3/134320859/9431f.pdfIn PDF document text
    • https://natizupasa.weebly.com/uploads/1/3/1/4/131437725/3357820.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4452386/normal_5fa07859eb8c9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4378607/normal_5f8deb8c731de.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4413117/normal_5f9eba9abe921.pdfIn PDF document text
    • https://kugodago.weebly.com/uploads/1/3/4/4/134491336/916016.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4412160/normal_5f9484577feb0.pdfIn PDF document text
    • http://www.opentle.orgIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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://www.gnu.org/licenses/gpl.htmlIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off0000bcca.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0xBCCA 13344 bytes
SHA-256: 6f84d09f26ad725ce5e64c57910213e8accfc9d120c43fd3ebadbaa22cdade88
font_00_sfnt_off0000aa4a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAA4A 5432 bytes
SHA-256: 7a0999e7f4662dcaefec5091b96aa61cfcbc75bc7e2ab77f602b645f8478a3e8
font_02_sfnt_off0000e2b2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE2B2 9112 bytes
SHA-256: 7d044ad6c287a87de3ebc6b7ce0ca8d008f0921ccf542c268dd630137180b8e6

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