Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d88abcd91b6feef…

MALICIOUS

PDF

113.7 KB Created: 2021-06-27 23:06:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: beff18967e888aa48ee65e62a62fcf8e SHA-1: fb0dc3870b141e53cedb5cf69a52c7892791384e SHA-256: 0d88abcd91b6feef042cf67284e88da3183f4d5b36f3d10b63edf50a60cdcda5
196 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF document is identified as a malicious phishing and advance-fee scam. It contains numerous links, many pointing to compromised CMS upload storage, designed to lure victims into fraudulent schemes. The ML classifier and ClamAV detection strongly indicate malicious intent, consistent with an advance-fee lottery or parcel delivery scam.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9957

Heuristics 7

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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 http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160b3d209d9296---bazobi.pdf
    • https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/5194280344a921978fcd7b72fe472578/69028956469.pdf
    • http://scissortailfarms.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079015acc13f---sumokajidegikobamivokabi.pdf
    • http://palami.by/images/file/zitupilutuke.pdf
    • https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/84cmu2s6pc6jq168cbhdbli2a7/93089111157.pdf
    • http://re-view.online/fckFiles/file/47746304046.pdf
    • http://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d43f2f1a42---35494250345.pdf
    • https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/8b5b64b300f1befffa3728b3070f247e/49939442864.pdf
    • https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/07f227c77dc2ea1708050c4d13bda848/46831210383.pdf
    • http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16077dac233251---77179797294.pdf
    • https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/3bc272b22b0e23756a9975bc176e9a4d/sinep.pdf
    • http://southport1969.com/clients/861680/File/parizipopafolezera.pdf
    • http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b7dff269c49---koragadibagugivabadulo.pdf
    • https://rainbowfurnitures.com/files/files/73594353912.pdf
    • http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/9100bed886589d2b6cda42a56efe3ad4/66886988947.pdf
    • http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092dd4164b0a---32995066918.pdf
    • http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160822eb69a695---64730497658.pdf
    • https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/065579860f5340c6c2e673fa77c0fca1/36624307644.pdf
    • https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16080d79cb20c3---gajakexusaropibemi.pdf
    • http://robertfeinberglaw.com/images/edit_images/file/xuxudelutonem.pdf
    • https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608e34f9a0dbc---1451745611.pdf
    • http://changdahk.com/upload/22182459840.pdf
    • http://kaztelcom.kz/ckfinder/userfiles/files/69128966056.pdf
    • https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/6c19777630c0af89496cc1958a84fe3a/mivegoxudurizelubunosom.pdf
    • http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16070fd4a16cfe---77685701840.pdf
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=little+red+riding+hood+anime
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001575d.bin
affa8494cc0771c51bd99705c7c1443d5368a08c7e4207f3864f5b6817272a40
pdf-font-stream PDF embedded font (sfnt) at offset 0x1575D 10484 bytes
font_01_sfnt_off00016eb3.bin
f74a0a5e64e9f882965c9e30bbd4a1f454319f18f08e8fd3f59ced087a5d9999
pdf-font-stream PDF embedded font (sfnt) at offset 0x16EB3 20580 bytes
font_02_sfnt_off0001a17d.bin
9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
pdf-font-stream PDF embedded font (sfnt) at offset 0x1A17D 16792 bytes