Malicious PDF — malware analysis report

Static analysis result for SHA-256 ab560ace42578d68…

MALICIOUS

PDF

53.2 KB Authoring application: LibreOffice Draw
MD5: 379c02b569a8cb9177b8302e1eaa4506 SHA-1: 67cbd6ebf8af305e9a0fdf1bbbc46bd15eaecdbd SHA-256: ab560ace42578d68a55e7b4654b647a849b6eb7d08f770bbce29ab693c926052
150 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics as malicious, including a critical finding for a large number of embedded external links. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' suggests a phishing or traffic redirection purpose. The embedded URLs likely serve as lures or redirect to further malicious content, indicating a phishing or SEO-based attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://louisegent.com/uploads/1/3/0/6/130639513/wixubidateji.pdf
    • http://abqmobilenotary.com/uploads/1/3/0/6/130621020/ludetuxefidafutal.pdf
    • http://umassage.ru/uploads/2020/01/28/3140475.pdf
    • http://fukupali.paulandkelsey.com/uploads/2020/01/29/navefipoxubibu-wuwunejevubav-vobiru-zimuwib.pdf
    • http://letsplayhockey.ru/uploads/2020/01/29/kimozujipamu.pdf
    • http://polohouston.com/uploads/1/3/0/5/130588533/5327557.pdf
    • http://mysearchrealestate.com/uploads/1/3/0/6/130603769/gesadifedaseb.pdf
    • http://afcointl.com/uploads/1/3/0/2/130291766/kewovemilemasu_gumerubif_jifexuwukufit_suwegeg.pdf
    • http://krystalsforthespirit.com/uploads/1/3/0/7/130739488/robigiwojumuf_dixoruz.pdf
    • http://bejustalittlebetter.com/uploads/1/3/0/7/130740256/130740256.html#features+of+socialist+economy+pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000125d.bin
4549fb79ec49c0f2b0f495e34df59c02c8f2406dec952f06d79ce79dc88c46bc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x125D 8132 bytes
font_01_sfnt_off00008acc.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8ACC 16036 bytes

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