Malicious PDF — malware analysis report

Static analysis result for SHA-256 b5fbc6c68433d931…

MALICIOUS

PDF

39.1 KB Created: 2020-03-25 10:02:15 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 436973bc91b0134f05866f7dc72e1b87 SHA-1: 20ab5a0add752ae14930be3c309711c9ae0f00e9 SHA-256: b5fbc6c68433d93139a8fd1d3ac56192f7a7756638b09a0908f96dbc02458690
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various domains. The document body text, though partially corrupted, contains a URL related to setting an RCA dual alarm clock, which is likely a lure. The primary attack pattern involves directing users to these external sites, which are likely hosting malicious content or phishing pages. 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://rakkan4x4.com/uploads/1/3/1/0/131070035/131070035.html#how+to+set+time+on+rca+dual+alarm+clock
    • http://shelter2home.com/uploads/1/3/0/5/130543837/aec1619166641.pdf
    • http://ns1.stpatsyouth.com/uploads/1/3/0/6/130604313/fe67a.pdf
    • http://officialdup.shop/uploads/1/3/0/5/130542948/zidozatovekidax.pdf
    • http://annotalegal.com/uploads/1/3/0/6/130621131/3745583.pdf
    • http://www.genesistherapeutics.net/uploads/1/3/0/6/130621963/rikorukazapite.pdf
    • http://tylertherapperofficial.com/uploads/1/3/0/6/130621401/tezuvarigofu-walesovijezatas.pdf
    • http://www.purustherapy.com/uploads/1/3/0/2/130273803/lusaxisopabugoxalu.pdf
    • http://privatelabelatlanta.com/uploads/1/3/0/3/130323518/9847016.pdf
    • http://theinternationalcenterformeditation.com/uploads/1/3/0/5/130541209/52073e88230f3b.pdf
    • http://elementaryplayersclub.acupuncturevegas.com/uploads/1/3/0/4/130483263/fewadonaxiw.pdf
    • http://trappedinthetrade.com/uploads/1/3/0/4/130435884/tiletilatozuti-tewejuwige-berewaxak-velovajumi.pdf
    • http://pensacolapetcommunity.com/uploads/1/3/0/2/130270798/5335133.pdf
    • http://ressortissantsnguiguiss.org/uploads/1/3/0/8/130873921/9487733.pdf
    • http://noxanima.com/uploads/1/3/0/2/130272347/1441382.pdf
    • http://thedeliverator.online/uploads/1/3/0/5/130588613/wexarob.pdf
    • http://rhalllaw.com/uploads/1/3/0/4/130483799/xikipibemuxaluxu.pdf
    • http://scottcookept.com/uploads/1/3/0/7/130739049/vikavumakap.pdf
    • http://www.abundantly-healthy.com/uploads/1/3/0/2/130287506/sarefuwobukusaz.pdf
    • http://www.stannelofts.net/uploads/1/3/0/7/130740456/1436811.pdf
    • http://www.lindsaysstillroom.co.uk/uploads/1/3/0/3/130379069/ruzoluvexoxekugifug.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 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007052.bin
c0b50a4294ec0ae9acd2e7819bb1d9808e754cd80002f1b8c59beff45df6cbaa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7052 7788 bytes

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