Malicious PDF — malware analysis report

Static analysis result for SHA-256 5c8e527cda8e8896…

MALICIOUS

PDF

35.9 KB Authoring application: Solid Converter PDF
MD5: e9433c2363375fe2ed776e7838e4be34 SHA-1: 915f5c77802ffed8557b6f1aa4b32edf9eddd18c SHA-256: 5c8e527cda8e889606da0fbca3e97aa0872f0a5217760839d011efee83f07f96
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm designed to distribute malicious content or lead users to phishing sites. The ML_NYX_PDF_MALICIOUS and ClamAV detections further confirm its malicious nature. The embedded URLs are likely used to host or redirect to malware or phishing pages.

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://modish716.com/uploads/1/3/0/7/130775009/mulinosomololin.pdf
    • http://thecommuterdiaries.com/uploads/1/3/0/2/130289741/fenamasagijer-xovopa-xikodilukaxowab.pdf
    • http://babyfreebies2020.com/uploads/1/3/0/5/130540664/lajif.pdf
    • http://shellygiggey.com/uploads/1/3/0/6/130621574/baremivameduze.pdf
    • http://tracyhchang.com/uploads/1/3/0/6/130640049/5c0782475a85.pdf
    • http://nonsurgicalbacktreatments.com/uploads/1/3/0/4/130483961/zafiforufexava_juzomedadizefeg.pdf
    • http://singletaryslogistics.com/uploads/1/3/0/7/130739539/zebejepeso.pdf
    • http://tucsoncatalyst.org/uploads/1/3/0/2/130288329/bobajerodeni_jusop.pdf
    • http://graysanatomical.com/uploads/1/3/0/3/130379104/8390691.pdf
    • http://criancasespeciaisonline.com/uploads/1/3/0/7/130775876/2681ba2d29.pdf
    • http://btimsp.com/uploads/1/3/0/3/130313590/f03e5.pdf
    • http://drillpeak.com/uploads/1/3/0/4/130477048/pasomubugi.pdf
    • http://discgolflittleleague.com/uploads/1/3/0/5/130588532/panezis.pdf
    • http://whidbeyrippleeffect.com/uploads/1/3/0/6/130604523/8284457.pdf
    • http://handyasiain.com/uploads/1/3/0/6/130604466/ziguridozutot_lurasogopilu_vevoritazamuz.pdf
    • http://www.jonnysdesignercloset.com/uploads/1/3/0/3/130379351/fuxuvomomi-zomofupafa-mowuselalob-zarufidomoduso.pdf
    • http://8rvq2ki.brdge.org/uploads/1/3/0/6/130621208/130621208.html#examples+of+inductive+and+deductive+reasoning+in+biology

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003149.bin
a34c120c8aad4d440c0c16847352e8460cf29e039d6e1d3ac42bb2a32a404c4d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3149 7588 bytes

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