Malicious PDF — malware analysis report

Static analysis result for SHA-256 714ee2da56dd0079…

MALICIOUS

PDF

74.8 KB Created: 2021-01-04 08:16:08 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22
MD5: a6dd948f26d1b94cd2e4866991846b20 SHA-1: d16f5a53d560cfa14f82a595d528a98397ccb7e1 SHA-256: 714ee2da56dd00799da48f570a5f7a6d5358471d55b9a942e2580fdebf422627
214 Risk Score

Malware Insights

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

The PDF contains multiple links to external websites, with one specifically identified as a malicious redirector. The document body, though heavily corrupted, suggests a lure related to 'Adobe Illustrator CS6 free download', aligning with phishing or malware distribution tactics. The presence of numerous PDF links, some pointing to potentially malicious infrastructure, indicates a coordinated effort to drive traffic to harmful sites.

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
  • 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://gettraff.ru/123?utm_term=adobe+illustrator+cs6+free+download In PDF document text
    • https://cdn.sqhk.co/sopiloroda/gcJM0fC/95746109919.pdfIn PDF document text
    • https://tuzutetenufiro.weebly.com/uploads/1/3/4/7/134716615/228f84.pdfIn PDF document text
    • https://cdn.sqhk.co/kedilexele/ggigcIS/xamaxuwitomuz.pdfIn PDF document text
    • https://semizafug.weebly.com/uploads/1/3/1/8/131871859/zofopip_tobamufilesej.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4387921/normal_5fe95228578ab.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4459916/normal_5fa35b153b914.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/sinamozagemoger/laci_peterson_autopsy_photos_online.pdfIn PDF document text
    • https://s3.amazonaws.com/xakusineba/spotify_er_pc_crack.pdfIn PDF document text
    • https://s3.amazonaws.com/degisapemifa/sokifotaxi.pdfIn PDF document text
    • https://s3.amazonaws.com/jamuluvuvava/33094005994.pdfIn PDF document text
    • https://s3.amazonaws.com/topipovikapari/naming_acids_pogil_packet_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/wifukedot/cvc_and_cvcc_words_worksheets.pdfIn PDF document text
    • https://s3.amazonaws.com/xukanomarexumu/fishing_planet_ps4_guide_new_york.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d132.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD132 5392 bytes
SHA-256: 0a417101dd426745683212b3ff2f546b8b6ab2da5b9d82d130194319412c8c89
font_01_sfnt_off0000e3a4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE3A4 10960 bytes
SHA-256: 69ad23e9f6a3d5327012b05d3523addfa55223b1699c842da0ce153f0e91955b
font_02_sfnt_off00010961.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10961 16144 bytes
SHA-256: 18f56b7fae04e07bc119a468ad323bdda099da77b0772854d1c47cc1f39b9f3b

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