Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d242d7bb10a5345…

MALICIOUS

PDF

82.7 KB Created: 2021-03-20 03:02:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-13
MD5: e85721f5f05c52ad51b5c5c5b83b4fe3 SHA-1: d4669b56937e322ed94505d4cbda7f1707f56a54 SHA-256: 9d242d7bb10a53457e8d49d409776e379b8f9b27aab1fa78606a1805e33accf1
104 Risk Score

Malware Insights

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

The PDF file contains a URL that is flagged as a redirector and is associated with a search query for media content, suggesting a phishing or malware distribution lure. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URI point towards a phishing attempt to redirect users to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9985

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
  • SEO-redirector lure link (multi-word utm_term) low PDF_SEO_UTM_REDIRECTOR_LINK
    PDF contains a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the search-keyword gateway used by the 'free document download' phishing family. Surfaced as an IOC; on its own this is a low-confidence signal.
  • 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://soxebez.ru/123?utm_term=lamborghini+song++mp4+mr+jatt PDF link annotation
    • https://cdn.sqhk.co/xanovika/0ZBTgfR/85412529444.pdfIn PDF document text
    • http://sexapixir.22web.org/12862792404.pdfIn PDF document text
    • https://cdn.sqhk.co/lapitobexeva/7ohdi4T/785744556.pdfIn PDF document text
    • https://cdn.sqhk.co/bebomopakax/gdchjjf/lixugaji.pdfIn PDF document text
    • https://cdn.sqhk.co/jojikoxazew/ejghjEL/monster_shooter_apk_free_download.pdfIn PDF document text
    • https://cdn.sqhk.co/vumajotiwog/jljhhgg/world_soccer_star_agency.pdfIn PDF document text
    • https://cdn.sqhk.co/momujolo/gcNmjjf/vexefan.pdfIn PDF document text
    • https://cdn.sqhk.co/felodunom/G2Mibjf/49459334346.pdfIn PDF document text
    • https://cdn.sqhk.co/wozejodes/TgfXhgq/basketball_3d_light.pdfIn PDF document text
    • http://sunudukexu.iblogger.org/wapazipime.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • https://s3.amazonaws.com/rijaliwiguvex/wildgame_innovations_insite_cell_trail_cam.pdfIn PDF document text
    • http://sikofus.epizy.com/youth_worker_job_interview_questions_and_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/pevuwarobuvowa/introducerende_artikel_om_reportagegenren.pdfIn PDF document text
    • http://romezegipoxo.epizy.com/kegazefevewetidifigevorap.pdfIn PDF document text
    • https://s3.amazonaws.com/gozifep/aarariraro_ringtone_masstamilan.pdfIn PDF document text
    • https://s3.amazonaws.com/kotenu/install_insinkerator_hot_water_dispenser.pdfIn PDF document text
    • https://s3.amazonaws.com/xunilukegez/ridakera.pdfIn PDF document text
    • https://s3.amazonaws.com/fumiposamisur/nobitepemax.pdfIn PDF document text
    • http://xajofad.rf.gd/basic_electronics_short_questions_and_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/woneketelak/resenusokudiwibewun.pdfIn PDF document text
    • https://s3.amazonaws.com/jupudizadid/2185056002.pdfIn PDF document text
    • https://s3.amazonaws.com/zagubip/apex_legends_pc_epic_games.pdfIn PDF document text
    • https://s3.amazonaws.com/xurixado/does_canon_offer_instant_ink.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e255.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE255 5448 bytes
SHA-256: 6849fabe6d962f69315cfefade3174df5c5e39952c95aba4aaace15569adb808
font_01_sfnt_off0000f4b9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF4B9 11528 bytes
SHA-256: 8ce6fd1c11c8ff7d3d27239fe1766f02880d512b53b3190a747602800be7540d
font_02_sfnt_off00011a2f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11A2F 16144 bytes
SHA-256: 7c46bdd5995085f1b667db334183647021a114cb1e9de6240a6a2392c095f0cc
font_03_sfnt_off00012f3c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12F3C 3544 bytes
SHA-256: 02f100b4785d07b27373930c5b4d16a83658f2c131e39b00ebe5754395733b4f

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