Malicious PDF — malware analysis report

Static analysis result for SHA-256 faa126f51677218a…

MALICIOUS

PDF

99.5 KB Created: 2021-07-31 01:58:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-07
MD5: be9a8dbcb250d7243a679a87c61f8a56 SHA-1: b12bc874faa21d013acb5f3d5b92cea692e68b9c SHA-256: faa126f51677218ae4dcb4db2ffe1e2bac16c000c5c10cfbeffbe5b5303f49a3
156 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was identified as malicious by ML classifiers and ClamAV, indicating it likely serves as a phishing or malware distribution lure. The document contains numerous embedded URLs pointing to various domains, many of which appear to be compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. No scripts were extracted, but the presence of multiple external URIs and the overall structure strongly suggest a phishing or malware delivery attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9916

Heuristics 6

  • 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 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 https://allytemp.ru/uplcv?utm_term=bloons+td+3+apkpure PDF link annotation
    • http://studioagronomoserragiotto.eu/userfiles/files/fodusav.pdfIn PDF document text
    • http://enricobarraco.com/files/28624291876.pdfIn PDF document text
    • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160bb4ceaa4688---fujuwozet.pdfIn PDF document text
    • http://asthasupermarket.com/userfiles/file/12864125081.pdfIn PDF document text
    • http://lesen-und-schenken.de/userfiles/files/82310432000.pdfIn PDF document text
    • http://5percent-design-action.com/upload/users/files/tuduforuwokebufakozad.pdfIn PDF document text
    • https://xn----9sbccjdbca7cyaieg1a3j.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/40d73a3265861c8f632bda7f63c67326/81682502958.pdfIn PDF document text
    • https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/k02511q45t9jj06dov0qilp0np/rufoludup.pdfIn PDF document text
    • https://fong-cai.com/upload/files/sinejotedilev.pdfIn PDF document text
    • http://bestbelly.org/content/files/files/33767811704.pdfIn PDF document text
    • http://gibisch.biz/files/files/sumizirozolanobalaraj.pdfIn PDF document text
    • http://thermogroup.ru/uploads/files/fitiwesuraninomig.pdfIn PDF document text
    • http://creative-format.com/upload/editor/files/murori.pdfIn PDF document text
    • http://scbczy.cn/up_files/file/20210722_074426.pdfIn PDF document text
    • https://gagiongvitgiong.com/ckfinder/userfiles/files/mikuvo.pdfIn PDF document text
    • https://thejasmineway.net/wp-content/plugins/super-forms/uploads/php/files/nhjg8m3llhhbnoqvh9n5hgruib/nuwita.pdfIn PDF document text
    • https://leesman.com/wp-content/plugins/super-forms/uploads/php/files/a079d07056a4e89152729095b04dfb34/gebevajijilapivu.pdfIn PDF document text
    • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2021ef226e---59004910493.pdfIn PDF document text
    • https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/02038bf10cf53d56e042466c4cd90748/ririgimos.pdfIn PDF document text
    • http://classtool.info/upload/files/jegivarosirafazoji.pdfIn PDF document text
    • https://gymlesgeants.com/upload/editor/file/25055424492.pdfIn PDF document text
    • https://www.acetechnology.co.in/wp-content/plugins/super-forms/uploads/php/files/i90mqoap9s0dg9fcljemm5tsv3/jidugowopibumoj.pdfIn PDF document text
    • http://2ds-creations.fr/userfiles/file/pagovimazotun.pdfIn PDF document text
    • http://www.haztartasigepszakuzlet.hu/pics/file/78208631266.pdfIn PDF document text
    • https://www.pennlighting.com/wp-content/plugins/super-forms/uploads/php/files/6c1eafdc328f7cb5dd280f5668fd0aa4/15160487653.pdfIn PDF document text
    • http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607117f4af51d---givipud.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://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_off00011fb4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11FB4 17912 bytes
SHA-256: 33235178f58f10c4b8c3b398be668bbfa717becf888db89a999a6ee39235e857
font_01_sfnt_off00014e8c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14E8C 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off000166a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x166A3 10712 bytes
SHA-256: 7667ad8e2eca24b0b865de15b64df4caa6961a6e8e30a5bfd043a8a328a242de

Open this report in the interactive analyzer, or submit your own file for analysis.