Malicious PDF — malware analysis report

Static analysis result for SHA-256 bf0051cc721f24aa…

MALICIOUS

PDF

44.3 KB Authoring application: Serif PagePlus
MD5: 209120a4ccc5c144fb70c87706b4aec8 SHA-1: 4581424871bc305a20c62941f46861338875578e SHA-256: bf0051cc721f24aa69d0b4d8b31777d57ace15949798b091fedda9e04439b97d
152 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic, pointing to external PDF files. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or SEO spam. The document body itself contains garbled text and metadata, offering no clear user-facing lure, but the sheer volume of linked PDFs suggests a coordinated effort to direct traffic or host malicious payloads.

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 https://gomusawuk.weebly.com/uploads/1/3/0/6/130604222/todutirafisodubova.pdf
    • http://mugedatid.yeguadadosvaqueros.com/uploads/2020/01/28/666591.pdf
    • http://getofafuri.hhwarehouse.com/uploads/2020/01/29/wemekowimipajavu.pdf
    • http://tolepus.tatvideon.ru/uploads/2020/01/28/5189c51ece94732.pdf
    • https://xijobosaso.weebly.com/uploads/1/3/0/4/130489152/e7e18cb927f8.pdf
    • http://clck.biz/uploads/2020/01/28/5383854.pdf
    • https://fikiwipiwirizaf.weebly.com/uploads/1/3/0/5/130540554/3c038953d81b4a.pdf
    • https://texujidokurad.weebly.com/uploads/1/3/0/2/130288453/7369116.pdf
    • https://susurekabuwuwu.weebly.com/uploads/1/3/0/3/130313158/7490376.pdf
    • https://xadigavifakajof.weebly.com/uploads/1/3/0/5/130551957/c8c2bbd.pdf
    • https://mulutibilutili.weebly.com/uploads/1/3/0/4/130478067/teropo.pdf
    • https://moverifo.weebly.com/uploads/1/3/0/2/130289354/milowejimifad-biwexozanoze-fifivu.pdf
    • http://shopcenter.fun/uploads/2020/01/28/sefut.pdf
    • http://vataf.rostelekoma.pro/uploads/2020/01/27/8163974.pdf
    • http://wuwup.bprofi.su/uploads/2020/01/27/mevakamebebif.pdf
    • https://tetenarepunave.weebly.com/uploads/1/3/0/5/130539926/6847124.pdf
    • http://guri.findlove.fun/uploads/2020/01/29/migorijakovefiwupar.pdf
    • http://dotataguva.troick-narkologiya.ru/uploads/2020/01/27/5079003.pdf
    • http://beingself-centered.com/uploads/1/3/0/3/130323146/130323146.html#achromobacter+xylosoxidans+spp

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001561.bin
f842d695ca918c5c18b12724f3ef6ce8f842fbc81e1b40b8c4e5715efe960a13		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1561 9592 bytes
font_01_sfnt_off000071ca.bin
e91619dfd4c72a85464d95ef1ba4e67df13020651c42071bafbe521a61d9f7fc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x71CA 2652 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.