Malicious PDF — malware analysis report

Static analysis result for SHA-256 dfd4c5dbafa829f2…

MALICIOUS

PDF

30.2 KB Authoring application: OpenOffice Draw
MD5: 67ad5a8dd4e9e7a71297d6f4f8571a8d SHA-1: 43eaa2c3115f94fa77a4e746c3c4acdbbc2d2954 SHA-256: dfd4c5dbafa829f204514940abb14f23d1cedb0c96b6b9516c569f382451f98d
120 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ClamAV with the signature Pdf.Phishing.TtraffRobotInstall-7605656-0. Static analysis revealed a large number of embedded URLs, forming a link farm. This strongly suggests a phishing or malware distribution campaign, where the embedded links are intended to redirect users to malicious sites. 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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://polymergroup.net/uploads/1/3/0/7/130739488/9625466.pdf
    • http://highlycombustibleproductions.com/uploads/1/3/0/6/130620194/0eb515301259.pdf
    • http://mrandmrslynch.net/uploads/1/3/0/3/130324075/1833a5d38453cfc.pdf
    • http://ammavegkitchen.com/uploads/1/3/0/7/130740163/3fdc904b.pdf
    • http://buyatpure.com/uploads/1/3/0/3/130313718/4645742.pdf
    • http://bringmorehappy.com/uploads/1/3/0/4/130483146/gufosawopu.pdf
    • http://niumanatreecare.com/uploads/1/3/0/3/130313066/948f9fe92561f7.pdf
    • http://floodresponseteam.com/uploads/1/3/0/2/130272280/tibuz.pdf
    • http://southernangelboutique.net/uploads/1/3/0/2/130288551/zubiva_wowedewidato_jelobelaj_tudim.pdf
    • http://accoladetechnoheights.com/uploads/1/3/0/4/130435635/faseme.pdf
    • http://ashleynixon.com/uploads/1/3/0/2/130289610/8db5f81909.pdf
    • http://www.jennperryphotography.com/uploads/1/3/0/6/130603937/7c4146cb66b1ab.pdf
    • http://springshine.us/uploads/1/3/0/4/130476687/6515446.pdf
    • http://southerncottongoldenretrievers.com/uploads/1/3/0/4/130476146/7e2c1758f86a.pdf
    • http://www.theeisenberggroupcpas.com/uploads/1/3/0/6/130639304/dijigamuwobaxigu.pdf
    • http://trade.jeffriesvintagedrinks.com/uploads/1/3/0/6/130639269/papifonalire.pdf
    • http://mx.stampgeneral.com/uploads/1/3/0/4/130475959/130475959.html#legend+of+zelda+song+of+storms+bass+tab

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001824.bin
f1ad3dd18be0b6c14989b69ec0fbfa352fba240c2b855b2b723d1f3eee384ac7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1824 6664 bytes

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