Malicious PDF — malware analysis report

Static analysis result for SHA-256 903eb4406e15662a…

MALICIOUS

PDF

29.7 KB Created: 2019-05-03 12:16:43 +01:00 Authoring application: mPDF 5.7
MD5: 145df072e6ef6a6add2c90ac0891ce4a SHA-1: 868a6de306c3e71abb6d228a91622fbfbcf24a16 SHA-256: 903eb4406e15662ab45070ecdd4f16f299f5fa5daf268eb8ec91d223eabbf70e
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to distribute malicious content. The ML classifier strongly indicated maliciousness. The primary attack pattern observed is the creation of a link farm designed to direct users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9885

Heuristics 2

  • 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.
  • 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://loaminoo.linkpc.net/5090099095097093/Invisible-Activists-Women-of-the-Louisiana-NAACP-and-the-Struggle-for-Civil-Rights-1915--1945-by-Lee-Sartain.pdf
    • http://loaminoo.linkpc.net/9093099099096/Freedom-s-Children-Young-Civil-Rights-Activists-Tell-Their-Own-Stories-by-Ellen-Levine.pdf
    • http://loaminoo.linkpc.net/9099098092090096/Freedom-Summer-The-1964-Struggle-for-Civil-Rights-in-Mississippi-by-Susan-Goldman-Rubin.pdf
    • http://loaminoo.linkpc.net/5090099099093098/Dividing-Lines-Municipal-Politics-and-the-Struggle-for-Civil-Rights-in-Montgomery-Birmingham-and-Selma-by-J-Mills-Thornton-III.pdf
    • http://loaminoo.linkpc.net/5099092092097090/Mississippi-Praying-Southern-White-Evangelicals-and-the-Civil-Rights-Movement-1945-1975-by-Carolyn-Renaee-DuPont.pdf
    • http://loaminoo.linkpc.net/7090098092096099/Articles-on-Women-s-Rights-in-the-Middle-East-Including-Hoda-Shaarawi-Masha-il-Bint-Fahd-Al-Saud-Mona-Eltahawy-Nawal-El-Saadawi-Atefah-Sahaaleh-Women-s-Political-Rights-in-Bahrain-Feminism-and-Nationalism-in-the-Third-World-by-Hephaestus-Books.pdf
    • http://loaminoo.linkpc.net/6097092099096097/God-s-Heart-Has-No-Borders-How-Religious-Activists-Are-Working-for-Immigrant-Rights-by-Pierrette-Hondagneu-Sotelo.pdf
    • http://loaminoo.linkpc.net/1091091091093091099/Nur-Narren-Furchten-Nichts-Szenen-Aus-Dem-Dreissigjahrigen-Krieg-1915-1945-by-Georg-Scheuer.pdf
    • http://loaminoo.linkpc.net/1090090097098096093/From-Civil-War-to-Civil-Rights-Alabama-1860-1960-An-Anthology-from-The-Alabama-Review-by-Sarah-Woolfolk-Wiggins.pdf
    • http://loaminoo.linkpc.net/5091098092091096/Slavery-the-Civil-Law-and-the-Supreme-Court-of-Louisiana-by-Judith-Kelleher-Schafer.pdf
    • http://loaminoo.linkpc.net/5094093091096095/A-Thematic-Guide-To-Documents-On-The-Human-Rights-Of-Women-Global-And-Regional-Standards-Adopted-By-Intergovernmental-Organizations-International-Non-Governmental-Wallenberg-Institute-Human-Rights-Guides-by-Gudmundur-Alfredsson.pdf
    • http://loaminoo.linkpc.net/9091092094096095/Struggle-Death-Memory-1939-1945-by-Stanislaw-Poznanski.pdf
    • http://loaminoo.linkpc.net/6094092094095093/The-Struggle-for-Student-Rights-Tinker-v-Des-Moines-and-the-1960s-by-John-W-Johnson.pdf
    • http://loaminoo.linkpc.net/2091094091091/Give-Us-the-Ballot-The-Modern-Struggle-for-Voting-Rights-in-America-by-Ari-Berman.pdf
    • http://loaminoo.linkpc.net/3094095097097099/Civil-Rights-For-Beginners-by-Paul-Von-Blum.pdf
    • http://loaminoo.linkpc.net/1099096099094097/Buddhism-War-and-Nationalism-Chinese-Monks-in-the-Struggle-Against-Japanese-Aggression-1931-1945-by-Yu-Xue.pdf
    • http://loaminoo.linkpc.net/4091095096097099/Civil-Rights-Rhetoric-or-Reality-by-Thomas-Sowell.pdf
    • http://loaminoo.linkpc.net/4097093094095093/Gay-amp-Lesbian-History-for-Kids-The-Century-Long-Struggle-for-LGBT-Rights-with-21-Activities-by-Jerome-Pohlen.pdf
    • http://loaminoo.linkpc.net/4097090091098096/Century-of-Struggle-The-Woman-s-Rights-Movement-in-the-United-States-Enlarged-Edition-by-Eleanor-Flexner.pdf
    • http://loaminoo.linkpc.net/2096092094090093/NPR-American-Chronicles-Civil-Rights-by-National-Public-Radio.pdf
    • http://loaminoo.linkpc.net/5099092092097090/Mississippi-Praying-Southern-White-E

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