Malicious PDF — malware analysis report

Static analysis result for SHA-256 cfca1ee232ca3c05…

MALICIOUS

PDF

38.2 KB Authoring application: QPDF
MD5: 79187e8dc88a621329e213ef4d1e7a73 SHA-1: b8aa3e554fdfb9b31d6ab1052ff268f8cdd0908b SHA-256: cfca1ee232ca3c05964dfbe66f7e0cc03acd5d59346ae807c39323b313b7f7e7
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to external PDF documents hosted on various domains. This behavior is indicative of a link farm or a distribution mechanism for further malicious content, as suggested by the 'PDF_SEO_LINK_FARM' heuristic. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious classification. No scripts were extracted from this sample, and the document body was heavily obfuscated and truncated, 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://mta-sts.mail.colfaxrock.com/uploads/1/3/0/5/130539092/gijaz-gexogepi.pdf
    • http://faithpsp.com/uploads/1/3/0/8/130813992/cb13349d8d.pdf
    • http://savureb.store/uploads/1/3/0/6/130639762/6350150.pdf
    • http://coalitionagainsthumantrafficking-northernaz.org/uploads/1/3/0/2/130288426/jutibizetazo_ravug_panananosis.pdf
    • http://mikevaproduction.com/uploads/1/3/0/5/130590312/2d6f731f803190.pdf
    • http://portlandareabankruptcy.com/uploads/1/3/0/6/130620249/nataxibebike.pdf
    • http://jlambdma107.com/uploads/1/3/0/6/130605010/9410013.pdf
    • http://natureexperiencetours.com/uploads/1/3/0/2/130274098/rifemedo-nofegesixo.pdf
    • http://stockmi.com/uploads/1/3/0/4/130483270/8905382.pdf
    • http://www.worththepainbook.com/uploads/1/3/0/5/130588159/waxifixevelelamutir.pdf
    • http://paintingpugcassos.com/uploads/1/3/0/2/130288506/8421458.pdf
    • http://cumcarton.com/uploads/1/3/0/6/130605229/9205268.pdf
    • http://californiaerotica.com/uploads/1/3/0/4/130490609/zarikebiliveranuge.pdf
    • http://www.lordzgaming.com/uploads/1/3/0/5/130590665/c1644.pdf
    • http://springfieldohiohomesforsale.com/uploads/1/3/0/6/130604791/5785558.pdf
    • http://webdisk.callyfarrcounselling.ca/uploads/1/3/0/8/130874328/3873626.pdf
    • http://heppiedepeppie.com/uploads/1/3/0/2/130291591/lugowojelikej.pdf
    • http://www.witman.info/uploads/1/3/0/3/130379711/6654907.pdf
    • http://negativeopus.net/uploads/1/3/0/7/130776518/kozuzikexoxe.pdf
    • http://connect-ibs.com/uploads/1/3/0/6/130640022/kamibepajesix_morerifapa_fubusufesoviku_lilusigim.pdf
    • http://london-office-3.pleasingfood.com/uploads/1/3/0/5/130542717/130542717.html#chronic+brachial+artery+thrombosis

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000368f.bin
6e58e3328e524b59ba4623b8ac288378ad19da0e60cd170a24c07c27db393026		 pdf-font-stream PDF embedded font (sfnt) at offset 0x368F 7656 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.