Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa13503fc9245a54…

MALICIOUS

PDF

44.8 KB Authoring application: Pdftk
MD5: 7a63151ab9ceea77e15f0713af03c77c SHA-1: 5fc797b420a7687aa6f1bae861627ab0fc2768b6 SHA-256: fa13503fc9245a54f6340c18777a11780ada2c56fa68c08d5e195f71fd6711c6
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, indicating a link farm designed to redirect users. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall' further supports a phishing or malicious redirection intent. No scripts were extracted from this sample, and the document body was heavily obfuscated, limiting further analysis of the specific lure.

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://www.ndishealthtoolkit.com/uploads/1/3/0/6/130620198/soverakugoxosoritos.pdf
    • http://belquiszahir.com/uploads/1/3/0/5/130543568/6965acc.pdf
    • http://techtutorct.com/uploads/1/3/0/4/130477414/getexoginuzimupexalu.pdf
    • http://safoda.com/uploads/1/3/0/6/130604340/5917007.pdf
    • http://diaspirlanta.com/uploads/1/3/0/7/130776445/nogep.pdf
    • http://discoveridyllwild.com/uploads/1/3/0/2/130271103/tapisoko.pdf
    • http://adammarkeckman.com/uploads/1/3/0/6/130603834/rovegazenezow.pdf
    • http://supersealusa.com/uploads/1/3/0/6/130620970/xaniliwedup.pdf
    • http://www.fitflexyfolk.com/uploads/1/3/0/5/130545581/sefasowi-vuzatiwijadon-domufodesexa-kejozaguna.pdf
    • http://mymagneticwords.net/uploads/1/3/0/4/130436188/rutujigi_rezepidatum_sawejodejarakif_duzebosaxol.pdf
    • http://hometownlabradors.com/uploads/1/3/0/5/130542940/af8b1e47a.pdf
    • http://rivercitymoto.com/uploads/1/3/0/4/130478935/74a2a.pdf
    • http://www.yestothis.com/uploads/1/3/0/7/130775396/zevurizikenuxa-likajas-jivurib-pamoxol.pdf
    • http://lg0lr.slpny.com/uploads/1/3/0/3/130323187/130323187.html#free+download+offline+oxford+english+dictionary+for+windows+7
    • http://supersealusa.com/uploads/1/3/0/6/130620970/xaniliwe

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003028.bin
fae4b5bf1985497038c72176649a8aa5f0a0e145510e9699e74eebe2aa479849		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3028 16492 bytes
font_01_sfnt_off0000461d.bin
b0a6a33381002d1c379ca931d660fe98df7a73518421c8b234b9dc16af60e95a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x461D 2696 bytes
font_02_sfnt_off000052da.bin
adf7f57f8a000c151bb9b2e4fa3dd0c49c271af71cf2b5f7ad988d85648145a0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x52DA 9448 bytes

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