Malicious PDF — malware analysis report

Static analysis result for SHA-256 a77c8bb2fa06f965…

MALICIOUS

PDF

40.1 KB Created: 2020-05-22 08:16:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 61eb151a6710f48fc846addc60f512bd SHA-1: 412f0b5e92e53feb79dbd2e037ff99dcd743c380 SHA-256: a77c8bb2fa06f96599a05546edfb1bcc84d97c83271af0d0b455e1256f5d4015
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a large number of embedded external links, a technique often used for SEO spam or to direct users to malicious sites. The heuristic PDF_SEO_LINK_FARM specifically identifies this behavior, indicating a likely attempt to manipulate search engine results or distribute malware through a link farm. The document body itself is heavily garbled, but the presence of URLs suggests the primary intent is to redirect the user. 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://luxglobaltravel.voyagerwebsites.com/uploads/1/3/0/8/130813876/130813876.html#k%25C3%25B6nnen+Sie+Erdnussbutter+mit+gastrit
    • http://sohoflorals.com/uploads/1/3/1/4/131407665/sinukupadigefa.pdf
    • http://partnersdrivingstem.org/uploads/1/3/1/6/131636675/f26e4e7e7c23c.pdf
    • http://pipsgardendesign.com/uploads/1/3/1/1/131163579/2982520.pdf
    • http://growmyganesha.com/uploads/1/3/1/4/131455475/ab3fdab.pdf
    • http://thunderridgetitans.com/uploads/1/3/0/3/130323506/9d5d1f.pdf
    • http://bluntexpresson.com/uploads/1/3/0/7/130776006/fe7c2.pdf
    • http://sacredpathbeauty.com/uploads/1/3/0/5/130590561/7506767.pdf
    • http://walshranch-realtors.com/uploads/1/3/0/3/130379743/138d863e94c30.pdf
    • http://breckenridgeconstructioninc.com/uploads/1/3/0/5/130540869/e78a1d.pdf
    • http://heavenonearthhealth.com/uploads/1/3/0/6/130639380/70d5da.pdf
    • http://josephriccio.com/uploads/1/3/1/3/131381452/d04be94b76f95d.pdf
    • http://sustainabilitybusinessworks.com/uploads/1/3/0/5/130588762/limoda.pdf
    • http://oscarthedumpertruck.com/uploads/1/3/0/4/130435644/kukuwedot.pdf
    • http://breelandisland.com/uploads/1/3/0/4/130477278/dederasenok.pdf
    • http://avaparmelee.com/uploads/1/3/0/6/130604511/bf49799673861.pdf
    • http://wynnefoa.com/uploads/1/3/0/7/130740496/6576732.pdf
    • http://dotradio.org/uploads/1/3/1/3/131379134/24d350ed4671022.pdf
    • http://commercialloanlender.com/uploads/1/3/0/7/130740129/5090345.pdf
    • http://droneswrx.com/uploads/1/3/1/8/131856076/f29daebb541.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_off00006c62.bin
ea0f839b101d9685df405f83016459b10329dd788420f21b050bb45e1fc49433		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C62 11624 bytes

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