Malicious PDF — malware analysis report

Static analysis result for SHA-256 e86642e9e2171b4f…

MALICIOUS

PDF

32.4 KB Created: 2020-03-29 10:03:16 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 8c04a673c5c35b4ec4aeee2402359e1c SHA-1: 72a0bec795e9ff05c61449eac15dff3d6dbcdb5d SHA-256: e86642e9e2171b4f3525062a6de093c81881882b741b8989af15967606b535a6
62 Risk Score

Malware Insights

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

The PDF document contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The document body text, though partially corrupted, includes a URL that matches one of the extracted links. This suggests the primary purpose is to direct users to a network of websites, likely for SEO manipulation or to serve as a landing page for further malicious activity. 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://hall-elopement.rominastiebenphotography.com/uploads/1/3/0/8/130814145/130814145.html#estudio+de+metodos+pdf+libro
    • http://catchmeabroad.com/uploads/1/3/0/8/130874349/8d20108.pdf
    • http://gesvin.net/uploads/1/3/0/4/130476887/f5688dcf2cfa8.pdf
    • http://mbmix.com/uploads/1/3/0/4/130476423/07f14bb.pdf
    • http://mta-sts.mail.13rays.org/uploads/1/3/0/6/130620280/676894544f1fdc.pdf
    • http://aveh.com/uploads/1/3/0/7/130739648/nolorapelawazax.pdf
    • http://justchryssbeauty.com/uploads/1/3/0/6/130604140/zolojupofekipimidabi.pdf
    • http://structuraldamage.org/uploads/1/3/0/5/130590108/defizesa.pdf
    • http://kinneyllc.net/uploads/1/3/0/7/130739699/reput.pdf
    • http://fishermans-outfitter.com/uploads/1/3/0/9/130969991/dositoxirilumixadovo.pdf
    • http://162-195-84-30.aando.com/uploads/1/3/0/7/130775490/gisenejej.pdf
    • http://target.jropro.com/uploads/1/3/0/6/130620836/2562871.pdf
    • http://impactsidingroofing.net/uploads/1/3/0/4/130488503/wovonogozi_nosibowob.pdf
    • http://kitchenandcraftevents.com/uploads/1/3/0/5/130539757/sururo-muzuji-jizelenem-vedub.pdf
    • http://www.hawaiiecowash.com/uploads/1/3/0/7/130776511/nugekodejoxezilezum.pdf
    • http://mta126.qualitynow.net/uploads/1/3/0/5/130551526/xabap-gogoketevole-gerawukunud.pdf
    • http://www.bordersbootcamp.com/uploads/1/3/0/6/130605447/kugalutozumad.pdf
    • http://www.sabrinawenske.com/uploads/1/3/0/8/130874411/tipiru.pdf
    • http://mochasandjavas.net/uploads/1/3/0/5/130590279/6177321.pdf
    • http://mainesungrown.com/uploads/1/3/0/4/130436121/7316479.pdf
    • http://www.mikebowden.uk/uploads/1/3/0/7/130739525/1210888.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_off00005c92.bin
097741163e7357ba25398c4d613f84c7035609f14b17e42b0be772174ce83b5d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5C92 5864 bytes

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