Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ab7b11d792f6e82…

MALICIOUS

PDF

52.9 KB Created: 2020-03-25 10:43:19 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 40d74bcf7f7a4a5d53a30c4867315bc1 SHA-1: 6c176fb22fb5bdc3981b3a7dbbd0f06a379593a0 SHA-256: 9ab7b11d792f6e82236e3242a5316eb02d8fa3bd3e18fb7947d0ba471ea786e8
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, a common tactic for SEO spam or to redirect users to malicious sites. The document body text, though partially corrupted, includes a URL that appears to be a lure for song downloads. No scripts were extracted from this sample, limiting the ability to determine further payload delivery or persistence mechanisms. The primary attack vector appears to be social engineering through link manipulation.

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://fredheatingac.com/uploads/1/3/0/7/130738803/130738803.html#descargar+la+canci%C3%B3n+de+espinoza+paz+tomando+ando
    • http://homespryte.com/uploads/1/3/0/9/130969019/8021136.pdf
    • http://watersportsinkorea.com/uploads/1/3/0/7/130738576/larezomozipuxe.pdf
    • http://russianair.com/uploads/1/3/0/5/130590456/xafolututorovof-gofirilimolu-kofike-lupesifejusujak.pdf
    • http://eastpacificmarine.com/uploads/1/3/0/3/130323421/f47942.pdf
    • http://yourwritewritingservice.us/uploads/1/3/0/7/130775531/nudosegarete.pdf
    • http://afreshcoat.org/uploads/1/3/0/7/130776046/7024239.pdf
    • http://notaiobrunzo.it/uploads/1/3/0/6/130604656/69c65.pdf
    • http://www.zotoyi.net/uploads/1/3/1/1/131163879/2102757.pdf
    • http://mrnicklawrence.com/uploads/1/3/0/4/130488968/biwuj-riwovubofode.pdf
    • http://flynntodd.blog/uploads/1/3/0/5/130590158/619aac5ecc58.pdf
    • http://casaarmonia.net/uploads/1/3/0/5/130550885/wobimupuxivezej-fevowigeta-finak.pdf
    • http://astrologyandcrystallighttherapy.com/uploads/1/3/0/4/130435947/7303775.pdf
    • http://thomasemyers.com/uploads/1/3/0/4/130489248/derekavuj.pdf
    • http://mta-sts.mx.janewman.com/uploads/1/3/0/5/130539660/6708ae353a3.pdf
    • http://casualcardtable.com/uploads/1/3/0/6/130639074/0fdbf14a63d02.pdf
    • http://spigotscience.com/uploads/1/3/0/6/130603980/zesogubajogimiw.pdf
    • http://mta-sts.mail.lhaconsult.com/uploads/1/3/0/5/130541221/jirixokukojasuri.pdf
    • http://rebeccahelm.org/uploads/1/3/0/7/130740596/xulebogowudesor.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000072e8.bin
e3b2584b4710d3dc1b448d23c9c981fb277383e02bdc5639cfe48ae164eb7c20
pdf-font-stream PDF embedded font (sfnt) at offset 0x72E8 9584 bytes
font_01_sfnt_off000094d1.bin
1610adf967ed1c60e664a9da54417e8b6db48f75c20afc41eebab2aa002651fc
pdf-font-stream PDF embedded font (sfnt) at offset 0x94D1 4492 bytes
font_02_sfnt_off0000a31a.bin
f9e6f3331e0d75428486aaaa038a43d9187e1298879152bd13b55cd3313a641e
pdf-font-stream PDF embedded font (sfnt) at offset 0xA31A 2896 bytes
font_03_sfnt_off0000ad71.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63
pdf-font-stream PDF embedded font (sfnt) at offset 0xAD71 16036 bytes