Malicious PDF — malware analysis report

Static analysis result for SHA-256 6882322125ce2cfc…

MALICIOUS

PDF

93.3 KB Created: 2021-07-26 04:01:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-07
MD5: 727e6d18e7914980ce919a2c8f726998 SHA-1: a2fe707445efc7810c2dae05e7463935907dbf3c SHA-256: 6882322125ce2cfc4c05d66d8bb4547fb1e9aaa9df268f571318aaa108b11bef
156 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate the presence of a link farm pointing to compromised CMS uploads and disposable hosting, suggesting an attempt to lure users to malicious content. While no scripts were directly extracted, the PDF structure and URL patterns are consistent with phishing or malware distribution campaigns.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

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://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/6e14cbbd2e829f2c410c87a9ad6143d1/kifigujiva.pdf In PDF document text
    • https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/64b29871ed7b843bd8af63c17df6aa0f/49495089833.pdfIn PDF document text
    • https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/bpgccaobct7mq0mkuoiea933no/pabalelamajogumuwerutados.pdfIn PDF document text
    • http://warraichmeats.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070e6761e603---vegotalelawisagik.pdfIn PDF document text
    • https://eyetracking.pl/userfiles/file/26532658497.pdfIn PDF document text
    • http://nm-union.ru/ckfinder/userfiles/files/14149735640.pdfIn PDF document text
    • https://abicecream.ru/ckfinder/userfiles/files/ruxotu.pdfIn PDF document text
    • https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/06c21c28d829a07a9bee3b5e64a3822c/35758173679.pdfIn PDF document text
    • http://adbuilder.at/ckfinder/userfiles/files/76550542116.pdfIn PDF document text
    • http://abc-tel.ru/data/File/32450909892.pdfIn PDF document text
    • http://alexhofford.com/temp/files/file/62393969025.pdfIn PDF document text
    • http://petersonspann.com/clients/3/32/32c4b2f41fa698b5b938e848169c8dcb/File/mijutoporojawavir.pdfIn PDF document text
    • http://eprdel.cz/userfiles/file/86296523755.pdfIn PDF document text
    • http://gfhs1978reunion.com/clients/56625/File/4237134933.pdfIn PDF document text
    • http://mopron.ru/upload/files/gesolojewefiwugawadisa.pdfIn PDF document text
    • https://genia-groupe.fr/images/files/luris.pdfIn PDF document text
    • http://esenkardeslerinsaat.com/resimlerfiles/25448020663.pdfIn PDF document text
    • https://stancijanegrin.com/UserFiles/files/nowelorof.pdfIn PDF document text
    • http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3623c35a85---38171747882.pdfIn PDF document text
    • http://sammyuriasproperties.com/userfiles/files/pazuruwol.pdfIn PDF document text
    • https://mymango.ru/wp-content/plugins/super-forms/uploads/php/files/ab84e1e71dbdc131f109e16b13b54010/15362217009.pdfIn PDF document text
    • https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/56a99440dcd50010483fecc0f12cdf9c/7990206107.pdfIn PDF document text
    • http://asja-doll.ru/userfiles/file/datij.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=aws+certified+solutions+architect+practice+examPDF link annotation
    • 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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000fbe6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFBE6 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off000113fd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x113FD 11152 bytes
SHA-256: 1bdf8acc075859f08c6e0473e3f0e10c054e6863fac014ddd530102b58f9f293
font_02_sfnt_off00012de6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12DE6 1872 bytes
SHA-256: 096b6a34dbc624966a110e16a3ae2bf51248a4e9a8395b18b4d929ca42c26101
font_03_sfnt_off000136a1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x136A1 17020 bytes
SHA-256: b0b9c2144d7a641f601f48a81df08ed5070d93366d4dd16c06177f0d6af1fcf5

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