Malicious PDF — malware analysis report

Static analysis result for SHA-256 60ae0f92098350a6…

MALICIOUS

PDF

85.9 KB Created: 2021-07-01 12:13:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: 47790826f95ee4840a53a660d02076d0 SHA-1: 0fd6548cc7d6bb547db2e48db2ea5dac5209be56 SHA-256: 60ae0f92098350a61755366e8ec47faece2a916d4843b26bc217b4a5c28fd8cc
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains embedded URLs that likely lead to phishing or malware download sites. Although no scripts were explicitly extracted, the PDF structure and embedded URLs suggest an attempt to redirect the user to a malicious resource, consistent with phishing lures.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9964

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://insidethedigitaltrend.biz/userfiles/file/fikasejijexomuzizim.pdf
    • https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/407d777e7f4b0fcf4ef8c21abb8fb5df/gadedidumenopivikimiri.pdf
    • https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/36qi05685nnph2lum7q4d32mf3/goxusolurako.pdf
    • https://tdfstore.it/file/pimum.pdf
    • http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/18bba084989545b876f05cfec31217ad/zofapidevafelokikebata.pdf
    • https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/db160ebeae6ced748bd1a197624215bf/vojetutiribojarezudax.pdf
    • https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb4043c9058---32484680845.pdf
    • https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/4a8c078590db13da6ea5a7be016f2e39/rorefodowe.pdf
    • http://przychodnia-felinskiego.pl/uploads/editor/file/26645775097.pdf
    • http://kinel-hunter.ru/upfiles/file/mozegodepu.pdf
    • https://annjulieskarpmo.com/userfiles/file/7149740485.pdf
    • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d480c00b2e6---29382840651.pdf
    • https://airshow-bg.com/file/jumutus.pdf
    • http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607350dcd2148---54732338410.pdf
    • http://adaviestransportltd.com/userfiles/file/soxerifaw.pdf
    • http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d5555bf6b8---lufelexazubatugorobito.pdf
    • http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1607f334371636---85652542348.pdf
    • https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/28305e97052b9d8bb6bb535932b8b54c/lebusatajobewujezuri.pdf
    • https://tyko.pl/userfiles/file/85767945201.pdf
    • http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607b23d36be9b---gipivijilamabiwukuk.pdf
    • https://avigailpekelman.com/sites/default/files/file/bewizu.pdf
    • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=prosthetic+arm+with+moving+fingers
    • http://e1pl2.nazwa.pl/busy/fotki/file/51228224006.pdf
    • 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_off0000ea98.bin
26aa4919a114a8dbce51f73e57140a0f1aa5b9dadcd843e35334a390cae3831a		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEA98 17312 bytes
font_01_sfnt_off00011780.bin
9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11780 16792 bytes
font_02_sfnt_off00012f97.bin
c9373c556dcf1de9fa7bdd364cf578be3529d48c5a9f3d367b681a9c44df86fb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12F97 10892 bytes

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