Malicious PDF — malware analysis report

Static analysis result for SHA-256 02076587e9d327f0…

MALICIOUS

PDF

103.2 KB Created: 2021-06-20 18:01:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ad9c128340ca14c5869962307bfc5586 SHA-1: a6a71ff9fa3ead63efef424887f2ea883844b455 SHA-256: 02076587e9d327f0d4b63116d1f40d7244d8c8b3f4401beeb5fb7b4ef7be595c
156 Risk Score

Malware Insights

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

This PDF document was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links to external websites, many hosted on compromised or disposable domains, suggesting a phishing or malware distribution campaign. The document body, though heavily obfuscated, appears to contain metadata related to its creation and potentially a lure, reinforcing the phishing pretext.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

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=katie+souza+soul+decrees+pdf
    • http://hccc252.ca/clients/e/e4/e484b38507f190a955b66748903449e1/File/rixan.pdf
    • https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/7bea0d7c9ef650e6759bdbb5046a5ddd/72173356746.pdf
    • http://atek-ent.com/upload/file/nevituxasutimekusaxot.pdf
    • https://www.cibaospalaser.com/wp-content/plugins/super-forms/uploads/php/files/j7api497srhevbe0002am6b859/kaxerisewuloruledumel.pdf
    • http://mayinluatudong.com/uploads/userfiles/file/webukotegex.pdf
    • http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608298258e3f9---dajavivudares.pdf
    • http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608164e12c8bc---80475483758.pdf
    • http://caffepontoni.com/uploads/file/numusitesesoj.pdf
    • http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb16c7d21b---94514660741.pdf
    • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/4ccc4b33843a197cc10880e599f9108e/55603113603.pdf
    • https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/35bd4aa2ebb07feb74a01020f2a4e4e4/98396168962.pdf
    • https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16093ba515bb04---85217639160.pdf
    • http://inimtrento.it/userfiles/files/vinozosamimaduluvi.pdf
    • http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/s0dn7to7165u1a68du0ivlb140/52823598285.pdf
    • http://komputerzagrosze.pl/userfiles/file/vibikolegon.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • 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://scripts.sil.org/OFL
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00013055.bin
f06ddfeb38bec5dae4128c94491f32c8892323ead8c1e5e25d9003c93aeb36a6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13055 5168 bytes
font_01_sfnt_off00014200.bin
01d89f79120567c851dea0caa5b5ee7547c8211069383f1d59f8dd00f92a958c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x14200 2464 bytes
font_02_sfnt_off00014cdb.bin
dad9f16c07a957c15097663967bd8eb3814f70c942d85b6b76ad898bdf46f67e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x14CDB 12312 bytes
font_03_sfnt_off000176d6.bin
89748e4e0f650d671d3765835ff3d7879aa2ce4fb583dae4b1762053d9460800		 pdf-font-stream PDF embedded font (sfnt) at offset 0x176D6 16492 bytes

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