Malicious PDF — malware analysis report

Static analysis result for SHA-256 34448abd9f7bc967…

MALICIOUS

PDF

40.1 KB Authoring application: Serif PagePlus
MD5: 86b964eb69201b5a8698eefeea51b518 SHA-1: 778f4d387fafbb5d692bc5292da2f5c4079f4517 SHA-256: 34448abd9f7bc9677623b905501353a3c5cd080eff77b78377e495c85bb8c984
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files hosted on various domains, indicating a link farm or distribution mechanism. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware distribution. No scripts were extracted from this sample, but the embedded URLs are the primary indicators of compromise.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://fikrinisenyonet.com/uploads/1/3/0/6/130620929/67dde680.pdf
    • http://infowiser.org/uploads/1/3/0/8/130814168/6739583.pdf
    • http://sunshinetanningandmore.com/uploads/1/3/0/5/130545484/fodivojid_temevejazulo_podas_sopibezum.pdf
    • http://liberationliving.com/uploads/1/3/0/2/130289543/nigudosegig.pdf
    • http://arboristascuyo.com/uploads/1/3/0/4/130489841/8752170.pdf
    • http://campingdishwasher.com/uploads/1/3/0/5/130546759/relelumojudovimus.pdf
    • http://greencleanworks.com/uploads/1/3/0/8/130814926/fikod-kadekiweder-pejevari-guduve.pdf
    • http://soccerlegion.com/uploads/1/3/0/5/130550873/pawebojapox.pdf
    • http://pureexistencedance.com/uploads/1/3/0/6/130620898/xujogonirixebobile.pdf
    • http://earthtoorbit.com/uploads/1/3/0/6/130604987/koboto.pdf
    • http://dikaios-legal.com/uploads/1/3/0/4/130483868/xejox-zarujanokakuve-dibikewetufebo-sarizok.pdf
    • http://opiniononline.net/uploads/1/3/0/3/130323743/tajomudutiw_guwexorezuka_jugazedika.pdf
    • http://lansingmihomesforrent.com/uploads/1/3/0/6/130604812/xabegen.pdf
    • http://mykwalk.com/uploads/1/3/0/4/130483632/1063672.pdf
    • http://innsbrookcitycenter.net/uploads/1/3/0/2/130291696/gejemudim_kamaterebipok_nizil.pdf
    • http://cheaptokeeptreesandlandscapes.org/uploads/1/3/0/5/130551343/dumaxiduzigupikat.pdf
    • http://baliliveentertainment.com/uploads/1/3/0/2/130289410/8c082b6dc3.pdf
    • http://sarahleesy.com/uploads/1/3/0/6/130621390/dalexori.pdf
    • http://themethodmeditation.com/uploads/1/3/0/2/130289776/zatanigukiwujejof.pdf
    • http://doitmovin.com/uploads/1/3/0/2/130289558/8820729.pdf
    • http://helpstagemyhouse.com/uploads/1/3/0/5/130588772/jijefifeliludof-zalelugu-tosij-vatek.pdf
    • http://crrc.website/uploads/1/3/0/6/130621646/sinikemerojuni_gevowaka.pdf
    • http://merrifieldseminar.com/uploads/1/3/0/3/130313323/jotamukisikufo_belubupesosepuk.pdf
    • http://threadsofthewayfarer.com/uploads/1/3/0/7/130775383/sosetepuku_viguxadaw_bodubofulog_fekufim.pdf
    • http://rehphotography.org/uploads/1/3/0/2/130273752/130273752.html#typhoid+vaccine+canada

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003846.bin
fcae40f6132abb7619c6d39bef20b042a0ee7af84b2a02a7b474e222a782ee84		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3846 8044 bytes

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