Malicious PDF — malware analysis report

Static analysis result for SHA-256 99f1f9f50d96d74b…

MALICIOUS

PDF

53.4 KB Created: 2020-03-24 02:55:43 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 8b4bdd31cd61b4ca2a2c180c3ca0d96c SHA-1: c06232c958caafb8294145292c97e3e9b022253e SHA-256: 99f1f9f50d96d74b8a88cab6d03ec1c7160397df469df1d7f55c5b85716e18a0
62 Risk Score

Malware Insights

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

The PDF document contains numerous embedded URLs, indicating a link farm or redirection scheme. The heuristic 'PDF_SEO_LINK_FARM' specifically flags this behavior, suggesting the document is designed to drive traffic to a network of external sites. The document body, though partially corrupted, references 'Trauma abdominal ppt 2018', likely a lure to disguise the malicious intent of directing users to potentially harmful websites.

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://woodlandstuition.com/uploads/1/3/0/8/130874583/130874583.html#trauma+abdominal+ppt+2018
    • http://mail.clini7.com/uploads/1/3/0/5/130539899/kelurifego-gapuvevibuxil-fukibotanevibuf.pdf
    • http://loljizz.com/uploads/1/3/0/7/130740195/luwenu.pdf
    • http://legaleurope.com/uploads/1/3/0/6/130620563/7694621.pdf
    • http://lionfoundation.net/uploads/1/3/0/7/130740340/sezakeburu-wezoxatu-rajuximotoz-gadabularekiv.pdf
    • http://jungleediebukitlawang.com/uploads/1/3/0/8/130874272/digiramewulive-reruzanux-galolija-lubozil.pdf
    • http://www.algarvecyclingexperience.com/uploads/1/3/0/2/130273993/warejoxomomew_voritiz_sofifigozepulun.pdf
    • http://roomtruth.com/uploads/1/3/0/5/130550743/688336.pdf
    • http://www.hishersandbabys.com/uploads/1/3/0/7/130739105/dexubaf.pdf
    • http://www.co2gasrefills.com.au/uploads/1/3/0/5/130588982/zowuliganunojefipan.pdf
    • http://northwestuu.com/uploads/1/3/0/6/130620834/fc2d71735a6cf81.pdf
    • http://green-jungle.com/uploads/1/3/0/7/130738662/wuxal-guwowul-siwiwafiwesug.pdf
    • http://brandbookkeeping.com/uploads/1/3/0/5/130545742/f42105c5.pdf
    • http://www.meidenbeautyfeestjes.nl/uploads/1/3/0/2/130272286/golarixum.pdf
    • http://letthemsing.org/uploads/1/3/0/6/130604798/3a7a16ba.pdf
    • http://www.ezleadsnj.com/uploads/1/3/0/4/130478566/siditifam.pdf
    • http://carolinelizabethsavage.com/uploads/1/3/0/7/130740178/3af467e6ad.pdf
    • http://brokebeginnings.com/uploads/1/3/0/4/130483067/budumoxefiwara.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_off0000a728.bin
bea659ddb33bb2f694cf5fa2b6c0f91d516f6a19416d23570603e4093e728dde		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA728 8576 bytes

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