Malicious PDF — malware analysis report

Static analysis result for SHA-256 c877061fccaa3423…

MALICIOUS

PDF

43.8 KB Created: 2020-03-31 01:44:48 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7eb805eec70e0032ea543047072b6078 SHA-1: a61c53e4621c2bcc6707d7330216396706d6c6d8 SHA-256: c877061fccaa342329bdb1d23f77af7b8ae926d5be7cb29f9a825abd0af4f697
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a large number of external links, indicating a link farm or SEO spamming attempt. The primary heuristic identified a PDF SEO link farm with 30 external links, predominantly hosted on tourismfieldlearning.com. One of the embedded URIs points to glitterpaintings.com. No scripts were extracted from this sample.

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://glitterpaintings.com/uploads/1/3/0/9/130969678/130969678.html#espacio+mallinco+cl
    • http://tourismfieldlearning.com/uploads/1/3/0/7/130775800/finonaxomoxewolamo.pdf
    • http://fiataudiosolutions.com/uploads/1/3/0/2/130289317/tosejijag_gozutibazuro.pdf
    • http://theplatoonsystem.com/uploads/1/3/0/5/130541064/rodet_nobabonug_dofog_fejubuse.pdf
    • http://albertamacaron.co/uploads/1/3/0/5/130539129/5458478.pdf
    • http://pcftinstruction.com/uploads/1/3/0/2/130270957/2c42bba257d248.pdf
    • http://pensacoin.com/uploads/1/3/0/6/130604723/13d7f8.pdf
    • http://nowaks.studio/uploads/1/3/0/5/130590195/disutekijitopikogur.pdf
    • http://sirrendervideoediting.net/uploads/1/3/0/2/130287893/a5082f2c3b1338.pdf
    • http://margareteaton.org/uploads/1/3/0/5/130545011/6775433.pdf
    • http://wondrousnap.com/uploads/1/3/0/4/130488217/9563000.pdf
    • http://creativecommunicationsls.ca/uploads/1/3/0/5/130589191/niputamut.pdf
    • http://aprginc.com/uploads/1/3/0/6/130621130/35946026c63d725.pdf
    • http://bsch-tagderberufsbildung.org/uploads/1/3/0/8/130813783/mexuzowajanav.pdf
    • http://saxxdsign.nl/uploads/1/3/0/6/130604644/lemuledobago.pdf
    • http://vinyl-lexikon.net/uploads/1/3/1/0/131071288/miruro-zenoripaketa-xoxufaji.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_off00006c19.bin
45ee3f9f3e4af800e4ad10b968a9ca46be663afa1b614e5bee9cff2205ea4010		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C19 8604 bytes
font_01_sfnt_off00008b8e.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8B8E 16036 bytes

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