Malicious PDF — malware analysis report

Static analysis result for SHA-256 5459e57d97ecb1dd…

MALICIOUS

PDF

39.0 KB Authoring application: Serif PagePlus
MD5: 7fc34f262a68f3257b15056c953894d7 SHA-1: a051476d93af164edba99ec67f3a2338552871e8 SHA-256: 5459e57d97ecb1dd4f8e1ca255ada8715a0766ee69a32a6c570b0bdd1b148ec6
120 Risk Score

Malware Insights

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

The PDF file contains a link farm, directing users to multiple external PDF files hosted on various domains. This technique is commonly used for SEO poisoning or to distribute further malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the malicious classification. No scripts were extracted from this sample.

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://lasvegashandyman.org/uploads/1/3/0/2/130287529/7718383.pdf
    • http://alljapaneseclassic.com/uploads/1/3/0/5/130545001/zasen_matuve_negiz_kabol.pdf
    • http://theprofesionalgardener.org/uploads/1/3/0/5/130550679/7518213.pdf
    • http://rfleasingga.com/uploads/1/3/0/4/130483629/gevazutakax.pdf
    • http://bridesewbeautiful.org/uploads/1/3/0/6/130621937/3deafd48109.pdf
    • http://puxusov.maslooil.ru/uploads/2020/01/28/dipiburigijo.pdf
    • http://kiara-163.com/uploads/1/3/0/5/130590672/famifexorazife_galise_juzenile.pdf
    • http://madridtherapist.com/uploads/1/3/0/3/130323445/fabonijigobasozejel.pdf
    • https://raferomoro.weebly.com/uploads/1/3/0/2/130288514/7d3209155bd.pdf
    • http://eleanorfraser.com/uploads/1/3/0/4/130478160/duwizogiwu.pdf
    • http://raphel.com/uploads/1/3/0/6/130620997/mopuzimivil_tujudawuxawizap_bomewetiduke_sumifalimikiv.pdf
    • http://bartolomeilaw.com/uploads/1/3/0/6/130603860/130603860.html#final+fantasy+14+goldsmith+leveling+guide

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000135d.bin
aa4c081dc102004eb953145f5126eba731e0ae9b65b2ca08d4f0614dc8d2636e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x135D 8560 bytes

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