Malicious PDF — malware analysis report

Static analysis result for SHA-256 804ab6c9027d6eba…

MALICIOUS

PDF

43.4 KB Authoring application: Soda PDF
MD5: bd71d9e491072b0eeafe0cbcbddc12e4 SHA-1: 8d4b70fb01075b19633240dc12ebf834065823f4 SHA-256: 804ab6c9027d6eba741b00d9e6df723b7ffde870095cca9b600807714b5f4ba5
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to distribute further malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution via these links. No scripts were extracted from this sample.

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://rockstarsproductions.com/uploads/1/3/0/5/130542922/9506011.pdf
    • http://adequacy.org/uploads/1/3/0/5/130551008/derig_zifevetemu_pefijirijopavo_texofikisel.pdf
    • http://sweetstaysalem.com/uploads/1/3/0/4/130435652/vudiwo-pilet-radesuxon-wujejoxupedib.pdf
    • https://judosepuwolu.weebly.com/uploads/1/3/0/4/130483325/931337.pdf
    • http://adentaaustralia.com/uploads/1/3/0/6/130620436/gidexadusifarex.pdf
    • http://stjohnslutheranchurchjenison.org/uploads/1/3/0/7/130739764/e2748.pdf
    • http://sgconsultation.com/uploads/1/3/0/5/130588216/supujotabuzowix-zakagixoteg-vesubinovel.pdf
    • http://beeldschermverhuur.eu/uploads/1/3/0/4/130489371/levofosaripik-dazabivexad.pdf
    • http://per.gamehive.pro/uploads/2020/01/29/6848471.pdf
    • http://novinka.fun/uploads/2020/01/28/melogufekajape_lipudekaxija.pdf
    • http://alexandremartorano.com/uploads/1/3/0/6/130620538/1135002f1.pdf
    • http://cincyball.com/uploads/1/3/0/6/130639379/lexekufuro.pdf
    • http://bodyworkbybarb.com/uploads/1/3/0/5/130540795/130540795.html#sample+cover+letter+for+higher+education+position

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001412.bin
0f9f160d8443ffd25e5efb67fcef28be3a1e5e29addadc04b4c5c1a0c7da2a66		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1412 8996 bytes

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