Malicious PDF — malware analysis report

Static analysis result for SHA-256 3644365bb4801203…

MALICIOUS

PDF

94.6 KB Created: 2020-05-19 15:31:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6e01b4d3e338c29396a13d32fc875672 SHA-1: d2e9de3698cc4ac6cea4e95d6fc1b48852e45e81 SHA-256: 3644365bb48012031242a158e1f6d80bbe90fad1b716423ea7c79ec60fb41277
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF document contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The document body, though heavily obfuscated, contains references to 'Sai baba chalisa telugu pdf' and the authoring application 'wkhtmltopdf', suggesting a lure document. The primary attack pattern involves redirecting users to numerous external URLs, likely for SEO spam or to host further malicious content.

Heuristics 3

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://asociacionperiodistaspr.org/uploads/1/3/0/7/130775805/130775805.html#sai+baba+chalisa+telugu+pdf
    • http://smilewithincoaching.com/uploads/1/3/1/3/131383575/8076714.pdf
    • http://fawlaw.law/uploads/1/3/0/9/130968933/bafozureniwonib.pdf
    • http://klothesthatrockandroll.com/uploads/1/3/0/8/130874217/6808978.pdf
    • http://designat100percent.com/uploads/1/3/1/0/131070189/5767652.pdf
    • http://chadshoopman.net/uploads/1/3/0/3/130379696/zomepiwufaletuxesas.pdf
    • http://molinascleaningllc.com/uploads/1/3/1/3/131379295/velamuveji.pdf
    • http://grapeapesbrokerage.net/uploads/1/3/1/4/131453637/5e59a.pdf
    • http://youth4kc.org/uploads/1/3/0/9/130968994/2963342.pdf
    • http://lucymartinfilm.com/uploads/1/3/1/4/131483520/7691174.pdf
    • http://ratchetusa.com/uploads/1/3/1/4/131483488/vudukanekamo.pdf
    • http://simleggings.com/uploads/1/3/1/6/131636586/zunigekem-mopupubonaz-mavadug.pdf
    • http://tcleowives.com/uploads/1/3/0/3/130379293/bafatadiwovig_vopijibemuruto_fumosiva.pdf
    • http://spendergast.com/uploads/1/3/0/9/130969966/11eb4dcdef5a8.pdf
    • http://thundermattmm.com/uploads/1/3/1/4/131453485/lenemibega_ravudadavadar_lemovug_gedake.pdf
    • http://alcantaraorozco.com/uploads/1/3/0/8/130814921/pevub.pdf
    • http://blessoncompany.com/uploads/1/3/1/4/131452841/ca63ad9792fd6e.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/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e4d2.bin
b42c21c5387d870bab03a13993d27555ba151a318cf42ac3cf19102f20777745		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE4D2 57064 bytes
font_01_sfnt_off000149d4.bin
3517c26da63988466130181f7e27985d6453292557c803892971d39a0cd79a2e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x149D4 10640 bytes

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