Malicious PDF — malware analysis report

Static analysis result for SHA-256 9b09caf8e4f57ba4…

MALICIOUS

PDF

38.1 KB Created: 2020-03-14 15:03:23 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7141d4d59b86a291700fbabfbc3b06a1 SHA-1: cafa36aac147e3cdd1b00444043140fe40516d5f SHA-256: 9b09caf8e4f57ba4ead951ac3bac0432d7802e906189dfb9deabd1c075967959
70 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, identified as a 'PDF_SEO_LINK_FARM' heuristic. These links likely serve as a lure to direct users to malicious content or further stages of an attack. The presence of a 'SE_DOWNLOAD_BUTTON' heuristic further suggests a social engineering tactic to encourage user interaction. No scripts were extracted from this sample.

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://beachquartersresort.devsite-1.com/uploads/1/3/0/8/130874376/130874376.html#2018+monthly+calendar+template+excel+microsoft
    • http://privada-test.jovenesadelante.org/uploads/1/3/1/0/131071067/1555273.pdf
    • http://njpharmainstitute.com/uploads/1/3/0/5/130539928/8591734e95.pdf
    • http://goonmud.org/uploads/1/3/0/5/130539728/2685449.pdf
    • http://sarfa.org/uploads/1/3/0/5/130540525/regobuduxitede.pdf
    • http://seoptimist.online/uploads/1/3/0/6/130621135/xuzixeged.pdf
    • http://t5only.com/uploads/1/3/0/4/130490399/1be285d0b4e4.pdf
    • http://higherlivingrn.com/uploads/1/3/0/7/130775510/7990126.pdf
    • http://affordablecommunitymovers.com/uploads/1/3/0/6/130639223/fozadugetezonoxivu.pdf
    • http://mobilosophy.com/uploads/1/3/0/7/130775434/f0ac0e4ce8b.pdf
    • http://swaynami.com/uploads/1/3/0/3/130313000/560964.pdf
    • http://arnies.org/uploads/1/3/0/6/130604314/6655742.pdf
    • http://divinofelino.com/uploads/1/3/1/1/131163693/gorovapog_tofotafowamilu_konezev_wizofemanuja.pdf
    • http://donaflora.com/uploads/1/3/0/5/130547078/8887270.pdf
    • http://nelliejelly.com/uploads/1/3/0/6/130621790/volesatovozogiwotug.pdf
    • http://www.dedicatedbillingsolutions.com/uploads/1/3/0/5/130588459/givibeb-jafopu-vinavikobirup-lagot.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_off00006dee.bin
9541b446380eb7df6a469f1b491cb849552f5aa08e2b79047b3ba99d04f6f2c8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6DEE 7352 bytes

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