Malicious PDF — malware analysis report

Static analysis result for SHA-256 d27f9c4a9bdcf291…

MALICIOUS

PDF

46.9 KB Created: 2020-03-17 14:40:37 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 89afe7abc93e8b7589e2b3bcb77c5d52 SHA-1: 196715f290ac3bc15ffcd94d349e536c383f9100 SHA-256: d27f9c4a9bdcf291d114ba20c536050592c34c562aaccb52a9353901b4a948c1
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 by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or SEO manipulation tactic. The document body contains garbled text but includes one of the external URLs, indicating an attempt to direct users to external content. 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://forb-courses.org/uploads/1/3/0/5/130543761/130543761.html#como+afecta+la+salud+las+emociones
    • http://www.frankjoejewels.org/uploads/1/3/0/9/130969305/sipixabi_vonug_dowatukis.pdf
    • http://my-happiness-project.org/uploads/1/3/0/7/130739712/dabefumejo.pdf
    • http://susanrush.org/uploads/1/3/0/6/130605108/zupikowutiwamaje.pdf
    • http://www.aquamarbles.co.uk/uploads/1/3/0/5/130543173/kipabinopebowixej.pdf
    • http://injuryattorneyfortworth.com/uploads/1/3/0/7/130776737/36e00e74fda.pdf
    • http://cambriscottage.com/uploads/1/3/0/6/130620966/c3b90d8.pdf
    • http://mx.wackenbergs.com/uploads/1/3/0/6/130605421/37c313.pdf
    • http://www.katinaday.com/uploads/1/3/0/5/130588780/zosenewemonoji-titefipigamut-nodixe.pdf
    • http://mostyg.com/uploads/1/3/0/6/130620354/1387034.pdf
    • http://diaspirlanta.com/uploads/1/3/0/5/130551427/d36cb9bbfa56.pdf
    • http://abbottprep.com/uploads/1/3/0/5/130544034/3af8bfc8834d.pdf
    • http://cpanel.normanhartleybooks.com/uploads/1/3/0/6/130604511/3926265.pdf
    • http://mltcomic.com/uploads/1/3/0/2/130271205/mulopi_rixuwuge_vojesotewozigug.pdf
    • http://mta-sts.mail.empaonline.org/uploads/1/3/0/2/130288909/508d01a91.pdf
    • http://www.daniel-henriks.com/uploads/1/3/0/8/130873907/9b334.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007661.bin
c301c86b6939760f95d45a230e5bb39f41ae60c37ffd79f223c4190a5968f2b7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7661 9460 bytes
font_01_sfnt_off000097d8.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x97D8 16036 bytes

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