Malicious PDF — malware analysis report

Static analysis result for SHA-256 cf0441c575bea11d…

MALICIOUS

PDF

36.6 KB Authoring application: PDFedit
MD5: ba5beeae8848e6d228e06d8e07436d84 SHA-1: 0c56810bdd43696a09f9a9326cae51cc94f86d7c SHA-256: cf0441c575bea11d848a6563fe5082376c4d64ed028723f8852ace432ebf893e
150 Risk Score

Malware Insights

MITRE ATT&CK
T1598 Gather Victim Identity Information T1204 Malicious Link

The PDF contains a large number of embedded links to other 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. The embedded URLs are the primary IOCs, pointing to a network of sites likely used for distributing malware or phishing content.

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://anniemaegreen.com/uploads/1/3/0/4/130477351/f2de2.pdf
    • http://clevelandmomsnetwork.com/uploads/1/3/0/5/130547613/e3785c924.pdf
    • http://houseofgold.net/uploads/1/3/0/5/130543588/loribibax.pdf
    • http://blackstonelodgewb.devsite-1.com/uploads/1/3/0/5/130588931/kugoga.pdf
    • http://rlhthoughts.com/uploads/1/3/0/3/130313564/bfaf3ea74645.pdf
    • http://eshadeshpande.com/uploads/1/3/0/2/130289315/tidifisem.pdf
    • http://mlcvideos.com/uploads/1/3/0/4/130476183/24b5be84605.pdf
    • http://northveiw.com/uploads/1/3/0/5/130588845/9424245.pdf
    • http://electro-hogar.com/uploads/1/3/0/5/130588984/c7c17cb06.pdf
    • http://twogirlswithglasses.com/uploads/1/3/0/5/130546024/3da49.pdf
    • http://decaturdiagnostic.com/uploads/1/3/0/2/130289724/dezafewewuguvig.pdf
    • http://thebao.house/uploads/1/3/0/4/130488816/55c81f6a3d5bf.pdf
    • http://drlyons.net/uploads/1/3/0/7/130739791/dulexipowewi-rubiwo-lawawigu-rusutiwiki.pdf
    • http://muktishakti.com/uploads/1/3/0/4/130483158/9947888.pdf
    • http://www.lamontsbar.com/uploads/1/3/0/6/130604408/e99708f6a33.pdf
    • http://mid-americathermalimaging.com/uploads/1/3/0/5/130588289/netuxemojukipifirato.pdf
    • http://spcwelding.com/uploads/1/3/0/5/130588720/ruvesebunajas_genimanolu.pdf
    • http://shahwar.com/uploads/1/3/0/6/130639023/metanuvudenedexise.pdf
    • http://muttsociety.com/uploads/1/3/0/2/130288710/jorapebuwabonib_kumasus_vixiluxuru.pdf
    • http://ricefamilyfarms.com/uploads/1/3/0/5/130588783/138a0fc3562.pdf
    • http://theordinaryvoter.com/uploads/1/3/0/6/130620678/5697230.pdf
    • http://escorti-milano.com/uploads/1/3/0/5/130543074/130543074.html#difference+between+aggregate+demand+curve+and+market+demand+curve

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002f20.bin
f7fcb9ceb6205763d6c14ad944939a7bba958ecac14d8fbf02f0d118cd224e11		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2F20 7548 bytes

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