Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d03c3a74623c4a6…

MALICIOUS

PDF

54.3 KB Authoring application: pstoedit
MD5: ff5345427e40e2d7fce64fab12e9cbf6 SHA-1: 0f7a304acbc068ac1c5f15ef044b285a80638c3f SHA-256: 9d03c3a74623c4a63bb28277c5099e16360e5f65a1d1c1909a72ffd3f539d389
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded external links, a technique often used for SEO manipulation or to distribute further malicious content. The ClamAV detection 'Pdf.Dropper.Agent-7766755-0' indicates it functions as a dropper. The document body, though heavily obfuscated, mentions 'pstoedit Any pdf to dwg converter 2018 crack', suggesting a lure related to software cracking, which is a common social engineering tactic to entice users to click malicious 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.
  • ClamAV: Pdf.Dropper.Agent-7766755-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7766755-0
  • 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://miracostamun.com/uploads/1/3/0/6/130603748/dinasuvinuvi-xazowesifadap.pdf
    • http://ias-y.club/uploads/1/3/0/3/130323184/135710.pdf
    • http://thefashionablefarmgirl.com/uploads/1/3/0/3/130323167/8009971.pdf
    • http://boldercredit.com/uploads/1/3/0/5/130588822/radumitime-rowosapodoriwij.pdf
    • http://mrkdenton.com/uploads/1/3/0/5/130588693/mulebu.pdf
    • http://pieterwuille.com/uploads/1/3/0/6/130604173/853ec5ef11.pdf
    • http://galenetics.org/uploads/1/3/0/6/130639583/kopigom.pdf
    • http://tadoner.store/uploads/1/3/0/6/130603907/sidirilok_bizokobumo_fitejojul_bikoloselenar.pdf
    • http://dcmserviceinc.com/uploads/1/3/0/3/130323425/roxinosujus-tokosamiduvi-zubivudijebi.pdf
    • http://mysprout.shop/uploads/1/3/0/6/130621322/8487880.pdf
    • http://blksecurity.com/uploads/1/3/0/3/130313215/9999714.pdf
    • http://tbcrandy.com/uploads/1/3/0/3/130313368/ladawo.pdf
    • http://vietnam-responsibletravel.com/uploads/1/3/0/4/130483232/xasusirimekekejiseb.pdf
    • http://stullinvest.com/uploads/1/3/0/2/130270956/dabusalemegiwob-xarowomamu.pdf
    • http://kjwfoundation.com/uploads/1/3/0/7/130775958/vejukajokizalusobuk.pdf
    • http://krsferie.no/uploads/1/3/0/3/130323462/garudoxog_midutuwegilosi_kepujomamodiwa.pdf
    • http://mesadirectivasbqusa.com/uploads/1/3/0/2/130289765/24de06c.pdf
    • http://synchronyleds.us/uploads/1/3/0/5/130544625/395f72a3e49.pdf
    • http://clinicalsupervisionmsw.com/uploads/1/3/0/3/130323979/bapuvi_rovilanulikivo_kazefi_bowewimuzo.pdf
    • http://nsvtransport.com/uploads/1/3/0/3/130323328/130323328.html#any+pdf+to+dwg+converter+2018+crack

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004669.bin
83459e82cebe561b9e65dda6a09953c9e35f75e5df0fa62a624e1833cc5b8086		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4669 1708 bytes
font_01_sfnt_off00004fef.bin
e78934f125acbd0b4279727752bfd262a7ed3c07afc614593cada2be89a63829		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4FEF 23552 bytes
font_02_sfnt_off00007193.bin
84d0bdd3d2b1b9096741b4d77261b99154c0545b21886c7c43d65917aee249c5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7193 10904 bytes

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