Malicious PDF — malware analysis report

Static analysis result for SHA-256 8e07444ce4db45a2…

MALICIOUS

PDF

39.4 KB Authoring application: Adobe PDF Library 9.0
MD5: 08009268a103eda5c078d658425ef1a3 SHA-1: 8cc1d3b0cabda569de0caef6cf24e3e9504aa069 SHA-256: 8e07444ce4db45a20551c9017a8dbd4373b1d822d97ceda29306932b45828d6f
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded links to external PDF files hosted on various domains, as indicated by the PDF_SEO_LINK_FARM heuristic. This suggests a link farm or redirection strategy, likely to distribute malicious content or conduct phishing. The ClamAV detection and ML classifier further support its malicious nature. No scripts were extracted from this sample.

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://colombiabuds.tech/uploads/1/3/0/6/130639994/sinavozedeti_murelut_guvega_konebiwetozix.pdf
    • http://theoxfordhouseofbeauty.com/uploads/1/3/0/7/130739427/vawijanorinuz-lojumobowejeno.pdf
    • http://muziksingapore.com/uploads/1/3/0/6/130604102/1882604.pdf
    • http://designerpaws.org/uploads/1/3/0/7/130739835/1546442.pdf
    • http://rifugiovallegrande.store/uploads/1/3/0/5/130590608/zuwozalakibuje_rojomaso_telabugezezo_xabigajivunuxes.pdf
    • http://humpart.com/uploads/1/3/0/9/130969110/59d413b12b.pdf
    • http://w2k3srv.rubinvisalaw.com/uploads/1/3/0/2/130289695/dc981af02cd35.pdf
    • http://culturaenruta.com/uploads/1/3/0/7/130775252/225291.pdf
    • http://prosincar.com/uploads/1/3/0/5/130589078/veduxike-seluparuduw-bomeremux.pdf
    • http://twinflamepsychic1111.com/uploads/1/3/0/4/130483769/6e050d6f21.pdf
    • http://greatlakesint.com/uploads/1/3/0/4/130488584/1898280.pdf
    • http://www.justkangait.com/uploads/1/3/0/6/130621409/bb86a.pdf
    • http://editors.directory/uploads/1/3/0/5/130540700/xebazuzaxipa-pafufufu.pdf
    • http://holsombaby.com/uploads/1/3/0/9/130969414/lubanowoxi.pdf
    • http://therestorationvillage.com/uploads/1/3/0/4/130476145/0207418.pdf
    • http://gowlands.com/uploads/1/3/0/7/130775505/kimaz-nekafudaxabog-nevijoxeveso.pdf
    • http://arceasternpanhanlde.org/uploads/1/3/0/4/130476145/26204.pdf
    • http://belgiumil.us/uploads/1/3/0/5/130551256/zokon.pdf
    • http://assentive.net/uploads/1/3/0/5/130590656/dizizizusutulum_loporepe_guguzewulefe_posokipafa.pdf
    • http://rockymountainbernedoodle.net/uploads/1/3/0/6/130639325/fabebeluvem.pdf
    • http://syneride.com/uploads/1/3/0/5/130589228/dukuvafunalo.pdf
    • http://nevadateach.com/uploads/1/3/0/5/130588968/waduputomuluk.pdf
    • http://www.thenannysden.com/uploads/1/3/0/4/130476565/130476565.html#anticholinergic+drugs+used+for+copd
    • http://designerpaws.org/uploads/1/3/0/7

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000038d3.bin
49071a360b40b422bcb03c6dfc48e736efcf2e904c131505a9198d78f5a102a7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x38D3 7736 bytes

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