Malicious PDF — malware analysis report

Static analysis result for SHA-256 49da0e7bd9fa9e07…

MALICIOUS

PDF

48.2 KB Authoring application: Adobe PDF Library 9.0
MD5: 42e9911c8fec15c9d37e10044045596b SHA-1: da6b4c6fe0649946f0ed0c01cc5b9d4c5feebea5 SHA-256: 49da0e7bd9fa9e0709da2f793896d3a4ffb4bbb383c9bd800c8ce9069592b72f
120 Risk Score

Malware Insights

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

The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or phishing attempt. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a malicious intent. The document body, while containing text about a government report, also embeds numerous URLs that are likely part of the malicious infrastructure.

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://bajasharkdiving.com/uploads/1/3/0/5/130540282/gefugino_lojiwegikiji.pdf
    • http://immediateinsight.org/uploads/1/3/0/2/130289564/3443618.pdf
    • http://gocustomstamps.com/uploads/1/3/0/5/130541445/6802b4.pdf
    • http://adentabrasil.com/uploads/1/3/0/5/130545884/pigujiwusotol_sidezususu_rigenofizonuli.pdf
    • http://naturalproductsbyshensare.com/uploads/1/3/0/3/130313005/nutore_lonepag_vefabodukutut.pdf
    • http://aktivmassageterapi.se/uploads/1/3/0/5/130544953/bolabadimevimi.pdf
    • https://ninelapubag.weebly.com/uploads/1/3/0/2/130270898/nopumavazejixud_jidoxukodafoxom_lapopobalewile_niratedo.pdf
    • http://demenagementcd.com/uploads/1/3/0/5/130547999/8856725.pdf
    • http://cityonloc.com/uploads/1/3/0/4/130483364/130483364.html#government+of+india+6th+pay+commission+report

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00007372.bin
779881a99977e8510954cf2b11a029371cd9ac7e4239bbe34f55e0fafa89683c		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x7372 16868 bytes
font_00_sfnt_off00001283.bin
7130b037ec8e71b772436be5a137e532ae72d731f6a4390f487b54c39a5f56e9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1283 8856 bytes

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