Malicious PDF — malware analysis report

Static analysis result for SHA-256 29d49154d782e89b…

MALICIOUS

PDF

41.5 KB Created: 2020-05-14 23:53:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 2f3d2b83c77fed05c0e801553db36bf6 SHA-1: a599785ca735e060a1bb69e5750c9d191764ee95 SHA-256: 29d49154d782e89bb8f95af1cbafdde440e308e68bc6749b911b8072198ce507
104 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, many of which are numerically or generically named PDFs, suggesting a link farm for SEO poisoning. The document body text, though partially corrupted, includes references to a 'minecraft mrcrayfish furniture mod crafting guide', likely a lure to entice users to click the embedded links. The 'SE_CLICKFIX' heuristic indicates the document may also instruct users to execute commands directly, further supporting a social engineering attack pattern. 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.
  • ClickFix social engineering attack high SE_CLICKFIX
    Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
  • 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://cemento-stampato.org/uploads/1/3/0/4/130483629/130483629.html#minecraft+mrcrayfish+furniture+mod+crafting+guide
    • http://ggfgreenway.com/uploads/1/3/0/5/130540178/vewejitu_zetosoxejub_fotigaxi.pdf
    • http://nashfades.com/uploads/1/3/1/3/131383931/8761142.pdf
    • http://levartdesign.com/uploads/1/3/0/2/130291712/kumug-pesakadax.pdf
    • http://handg.net/uploads/1/3/1/4/131438156/1e944f6ef207.pdf
    • http://denizciyoga.com/uploads/1/3/0/3/130312919/fukezajutuguzit-tosusebenuz-nodawodes-fitivuguf.pdf
    • http://pixelsxblocks.com/uploads/1/3/0/8/130814225/c6704cdbcf300.pdf
    • http://thriftnik.com/uploads/1/3/0/7/130739935/xuvejulomol.pdf
    • http://kokoandfriends.com/uploads/1/3/0/4/130478868/ca7dd8b5e993.pdf
    • http://rapport24.com/uploads/1/3/0/3/130313212/d0eb935e4.pdf
    • http://njcraniofacialcenter.org/uploads/1/3/1/6/131606146/9235386.pdf
    • http://innatelydriven.com/uploads/1/3/1/3/131384613/d6413922a2.pdf
    • http://quickneasymoving.com/uploads/1/3/1/6/131606697/jusewoxerow.pdf
    • http://sheepadoodless.com/uploads/1/3/0/6/130620838/3053614.pdf
    • http://environmentallandmgmt.com/uploads/1/3/0/6/130604286/mepib_regajuwubavez.pdf
    • http://texaspridetv.com/uploads/1/3/0/5/130539696/wazubato_vifosixuf_fifuxesapevawis.pdf
    • http://uncoversquirrelhill.net/uploads/1/3/1/4/131406440/gakevojazifab.pdf
    • http://ethicalandcompliant.com/uploads/1/3/1/3/131379026/3396450.pdf
    • http://clintonflowershopofnewyork.com/uploads/1/3/0/7/130776525/riritipibupam_botusegozur_magagipelorub_sotebujadi.pdf
    • http://cptsd-healing.com/uploads/1/3/1/6/131637161/lunumotaw_silibilixenez.pdf
    • http://atwi80d.com/uploads/1/3/0/5/130539696/4738060.pdf
    • http://patmanug.com/uploads/1/3/1/6/131637306/tiwun-fojuvodirorezup-kololuzerob-loditop.pdf
    • http://redmaplemarketingagency.com/uploads/1/3/0/2/130287513/sobova.pdf
    • http://drerinmac.com/uploads/1/3/0/8/130874217/431a9fed55.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_off00006167.bin
5ee1f8457f2a161a98ac4cdf8e1ab63084c01a9f3ab0a607c09ebfc967754ffe		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6167 10228 bytes
font_01_sfnt_off0000849b.bin
f7fb55aa7df24da556f1e6a14ff3e973b5c7274e6851c040e899454d18355684		 pdf-font-stream PDF embedded font (sfnt) at offset 0x849B 16064 bytes

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