Malicious PDF — malware analysis report

Static analysis result for SHA-256 79f649e5a424fbe3…

MALICIOUS

PDF

20.1 KB Created: 2019-04-30 04:34:37 +01:00 Authoring application: mPDF 5.7
MD5: 97099d57c25a608abe19efd574b03961 SHA-1: 4b70896660f111ddb38e16118e3b84b1a92d74c8 SHA-256: 79f649e5a424fbe3c7814bbc1263b12c9c4848a6bbe8bee1257ae9f7a16973aa
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, many of which are structured as book titles, suggesting a potential SEO manipulation or content hosting scheme. The ML classifier also flagged this PDF as malicious. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9922

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/1091091094091094/The-Descendant-A-Caitlyn-Beale-Memoir-Caitlyn-and-Jason-Beale-Memoirs-Book-1-by-Ellie-Hart.pdf
    • http://loaminoo.linkpc.net/5090090092094096/Just-an-Illusion---The-B-Side-The-Illusion-2-by-D-Kelly.pdf
    • http://loaminoo.linkpc.net/3096096096093092/Illusion-Illusion-Trilogy-1-by-V-Fitzgerald.pdf
    • http://loaminoo.linkpc.net/4091098092094096/Just-an-Illusion---EP-The-Illusion-3-by-D-Kelly.pdf
    • http://loaminoo.linkpc.net/1091095095093094/Master-of-Illusion-Master-of-Illusion-2-by-Anne-Rouen.pdf
    • http://loaminoo.linkpc.net/5091096096097092/Slide-The-Corner-by-Fleur-Beale.pdf
    • http://loaminoo.linkpc.net/5099091098096099/I-Am-Rebecca-I-Am-Not-Esther-2-by-Fleur-Beale.pdf
    • http://loaminoo.linkpc.net/3091094091095091/A-Respectable-Girl-by-Fleur-Beale.pdf
    • http://loaminoo.linkpc.net/1090096098093097/Juno-Of-Taris-by-Fleur-Beale.pdf
    • http://loaminoo.linkpc.net/1099093099098090/We-Become-What-We-Worship-A-Biblical-Theology-of-Idolatry-by-G-K-Beale.pdf
    • http://loaminoo.linkpc.net/3093097097098090/West-By-Sea-A-Treasure-Hunt-that-Spans-the-Globe-by-Michelle-M-B-Beale.pdf
    • http://loaminoo.linkpc.net/2093093098091099/What-Happened-on-Beale-Street-Secrets-of-the-South-Mysteries-2-by-Mary-Ellis.pdf
    • http://loaminoo.linkpc.net/1091096098099093092/Die-Wirklichkeit-Der-sthetischen-Illusion-Felice-Varinis-quot-Blickfallen-quot-The-Reality-Of-Aesthetic-Illusion-Felice-Varini-s-quot-Blickfallen-quot-Eye-Traps-La-Realt-Dell-illusione-Estetica-Le-quot-Trappole-Visive-quot-Di-Felice-Varini-by-Johannes-Meinhardt.pdf
    • http://loaminoo.linkpc.net/3098099090095096/Keeping-Bees-with-Ashley-English-All-You-Need-to-Know-to-Tend-Hives-Harvest-Honey-amp-More-by-Ashley-English.pdf
    • http://loaminoo.linkpc.net/7090092099097093/I-Only-Mark-the-Hours-That-Shine-Little-Edie-s-Diary-1929-by-Edith-Bouvier-Beale.pdf
    • http://loaminoo.linkpc.net/6093094090097093/Coment-rio-do-uso-do-Antigo-Testamento-no-Novo-Testamento-by-G-K-Beale.pdf
    • http://loaminoo.linkpc.net/2093094097094092/A-New-Testament-Biblical-Theology-The-Unfolding-of-the-Old-Testament-in-the-New-by-G-K-Beale.pdf
    • http://loaminoo.linkpc.net/2092090095/Ashley-Bell-Ashley-Bell-1-by-Dean-Koontz.pdf
    • http://loaminoo.linkpc.net/9093094093098099/Trick-of-the-Eye-Art-and-Illusion-by-Silke-Vry.pdf
    • http://loaminoo.linkpc.net/1092093093095097/So-Much-For-Illusion-by-Deborah-McClatchey.pdf

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