Malicious PDF — malware analysis report

Static analysis result for SHA-256 8bf4d597c36bb198…

MALICIOUS

PDF

39.6 KB Created: 2020-03-09 08:11:33 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 69544017690a2aecccb9ea72953deb42 SHA-1: 5978e2c556de8817300d497eba81c3b3afc1e032 SHA-256: 8bf4d597c36bb1983edd4dcba3e094d2c14095892ce02337b1ecbec01070bbc9
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, identified as a PDF SEO link farm. The document body, though heavily obfuscated, contains references to URLs that are likely part of this link farm. This technique is often used to manipulate search engine rankings or to distribute malicious payloads via seemingly innocuous links.

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://london-office-2.pleasingfood.com/uploads/1/3/0/4/130483238/130483238.html#impact+of+plastic+pollution+on+environment
    • http://taocostarica.com/uploads/1/3/0/6/130621798/9342949.pdf
    • http://webmail.shamushaws.com/uploads/1/3/0/4/130488469/1572088.pdf
    • http://createprinting.com/uploads/1/3/0/7/130738831/ninofimixemuko.pdf
    • http://zoescopestudio.com/uploads/1/3/0/2/130289530/tikesozijerupaz.pdf
    • http://makrworld.com/uploads/1/3/0/4/130477351/zumidiridupoxi.pdf
    • http://balonskydancer.net/uploads/1/3/0/6/130621451/bowesugezilidata.pdf
    • http://www.winecountryreclaimedfurniture.com/uploads/1/3/0/9/130969838/gerifejixotepakixe.pdf
    • http://www.darklostlovepspells.com/uploads/1/3/0/4/130489841/4bad9bf4e93.pdf
    • http://nflar.club/uploads/1/3/0/6/130621846/xuvaja-timenurawaj-norowigiponilo.pdf
    • http://www.mindbodyhealthcoaching.com.au/uploads/1/3/0/6/130605443/bitadakadunomigeweju.pdf
    • http://lovepeaceandrighteousness.com/uploads/1/3/0/2/130272070/570604b410407a2.pdf
    • http://www.sensualhealer.com/uploads/1/3/0/3/130323568/wenitiwug_juris_dulexi_risij.pdf
    • http://accentbrass.com/uploads/1/3/0/4/130483364/larajunutisamob_muguterare_kisezanaw_zipinupaxabera.pdf
    • http://hostmaster.eclmediation.co.uk/uploads/1/3/0/6/130621005/aa165bbbcde7.pdf
    • http://www.rdlsarms.com/uploads/1/3/0/3/130379351/cd9bb46.pdf
    • http://learninator.net/uploads/1/3/0/7/130739048/4788461.pdf
    • http://acutabovelawncare.org/uploads/1/3/0/4/130477135/3b9bb139cc.pdf
    • http://melangeemporium.com/uploads/1/3/0/7/130776102/a0f53d55ba1e2.pdf
    • http://andrewmckelvey.com/uploads/1/3/0/2/130287727/74630726b063.pdf
    • http://kilatravels.com/uploads/1/3/0/5/130588849/popizuka.pdf
    • http://mrgrantmath.com/uploads/1/3/0/5/130539229/3261451.pdf
    • http://www.janetkwantes-formotionotion.com/uploads/1/3/0/4/130435561/40927e3b5f6.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_off00007411.bin
0a2070655c647c75515bfa82338953adaf38abfcdaeb6703e13a160fd5970d03		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7411 7320 bytes

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