Malicious PDF — malware analysis report

Static analysis result for SHA-256 a53bd011b855f479…

MALICIOUS

PDF

55.5 KB Authoring application: Soda PDF
MD5: 7a66ed5cf7466c02baa36c3ba2d5f31e SHA-1: cd197c8386f0691df599bb404bdbd92b88ccb793 SHA-256: a53bd011b855f4790f81666c2e62721755cc438889d885b341dad8950bd2d020
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to other PDF files, masquerading as a manual for a Citroen Xsara Picasso. This technique is commonly used for SEO poisoning and phishing attacks, aiming to redirect users to malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the phishing classification.

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://pikespeakseniors.org/uploads/1/3/0/4/130476276/jozakuxutigalaka.pdf
    • http://emptyteapot.com/uploads/1/3/0/2/130287246/zirupodisodi.pdf
    • http://easttexasdoula.com/uploads/1/3/0/6/130639812/bufefojegizi.pdf
    • http://gagix.cserv.org/uploads/2020/01/29/jepikigevakazit.pdf
    • http://shelikesroses.com/uploads/1/3/0/4/130475939/5538259.pdf
    • http://davebecker.org/uploads/1/3/0/3/130313405/aa18044e.pdf
    • http://redhoteyebrows.com/uploads/1/3/0/6/130639428/c0cd671d5454365.pdf
    • http://v-aria.com/uploads/1/3/0/7/130775490/7554316.pdf
    • http://managewisconsin.com/uploads/1/3/0/2/130288444/4517902.pdf
    • http://northernrailleaders.com/uploads/1/3/0/4/130476506/130476506.html#citroen+xsara+picasso+manual+free

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00009109.bin
a954f0f4707a7043b63eef75d3c5c66fcd48cda01c81cda12f37a0f4a74e8a31		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x9109 16732 bytes
font_00_sfnt_off000011d0.bin
bba4177fb3d19c2df2467447357d36dbcab420a35d9b7fd312faee64247a579e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11D0 8232 bytes

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