Malicious PDF — malware analysis report

Static analysis result for SHA-256 25b4c89f1d2bb19c…

MALICIOUS

PDF

21.9 KB Created: 2019-05-02 18:47:09 +01:00 Authoring application: mPDF 5.7
MD5: cdfad494c5c885ed53726056c4e3004d SHA-1: dc7e1fdb64a25811752043d8200127e0ed2b367b SHA-256: 25b4c89f1d2bb19c13780ed1aa47bd2777c219ce8846431ff934803a4530a470
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, identified as a link farm, which is a common technique for distributing malicious content or phishing lures. The ML classifier strongly indicated maliciousness, and the PDF structure suggests an attempt to obscure the true nature of the links by embedding them within what appears to be book titles. No scripts were extracted, but the link farm itself is sufficient evidence of a malicious intent to redirect users.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9903

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/9092092090094099/Sons-and-Lovers-1000-Copy-Limited-Edition-by-D-H-Lawrence.pdf
    • http://loaminoo.linkpc.net/9092091098093098/War-and-Peace-1000-Copy-Limited-Edition-by-Leo-Tolstoy.pdf
    • http://loaminoo.linkpc.net/9092091099093097/The-Age-of-Innocence-1000-Copy-Limited-Edition-by-Edith-Wharton.pdf
    • http://loaminoo.linkpc.net/9092091099093093/20-000-Leagues-Under-the-Sea-1000-Copy-Limited-Edition-by-Jules-Verne.pdf
    • http://loaminoo.linkpc.net/9092092090090096/The-Island-of-Doctor-Moreau-1000-Copy-Limited-Edition-by-H-G-Wells.pdf
    • http://loaminoo.linkpc.net/9092092091091096/Tarzan-of-the-Apes-1000-Copy-Limited-Edition-by-Edgar-Rice-Burroughs.pdf
    • http://loaminoo.linkpc.net/9092092090091091/Swann-s-Way-In-Search-of-Lost-Time-1000-Copy-Limited-Edition-by-Marcel-Proust.pdf
    • http://loaminoo.linkpc.net/9092092091092095/The-Life-and-Opinions-of-Tristram-Shandy-Gentleman-1000-Copy-Limited-Edition-by-Laurence-Sterne.pdf
    • http://loaminoo.linkpc.net/8094091098093090/Sons-and-Lovers-1913-Novel-by-D-H-Lawrence-100-Best-Novels-of-the-20th-Century-Include-Women-in-Love-1920-Novel-By-D-H-Lawrence-by-D-H-Lawrence.pdf
    • http://loaminoo.linkpc.net/1090093099090092098/THE-PLUMED-SERPENT-by-D-H-Lawrence-author-of-Sons-and-Lovers-The-Rainbow-Women-in-Love-and-Lady-Chatterley-s-Lover-Annotated-by-D-H-Lawrence.pdf
    • http://loaminoo.linkpc.net/1091098099096092093/Sons-and-Lovers-1913-by-D-H-Lawrence.pdf
    • http://loaminoo.linkpc.net/1090093098097094094/Lady-Chatterley-s-lover-The-Rainbow-Sons-and-lovers-by-D-H-Lawrence.pdf
    • http://loaminoo.linkpc.net/1090097091099099092/Tobias-Rehberger-Copy-Brain-Copy-by-Karola-Kraus.pdf
    • http://loaminoo.linkpc.net/4094094092095099/Too-Much-Coffee-Man-Guide-for-the-Perplexed-Limited-Edition-by-Shannon-Wheeler.pdf
    • http://loaminoo.linkpc.net/4091091092097095/Addy-s-Story-Collection---Limited-Edition-by-Connie-Rose-Porter.pdf
    • http://loaminoo.linkpc.net/9095090090092093/Schokolade-zum-Valentinstag-Limited-Edition-Band-1-3-Welcome-To-Edlyn-Hill-by-Miranda-J-Fox.pdf
    • http://loaminoo.linkpc.net/6099095098090094/Jean-D-Angouleme-s-Copy-of-the-Canterbury-Tales-An-Annotated-Edition-of-Bibliotheque-Nationale-s-Fonds-Anglais-39-by-Geoffrey-Chaucer.pdf
    • http://loaminoo.linkpc.net/8090099091091093/--9-Mahou-Tsukai-No-Yome-9-Limited-Edition-The-Ancient-Magus-Bride-9-by-Kore-Yamazaki.pdf
    • http://loaminoo.linkpc.net/7095099094092096/Fathers-and-Sons-College-Edition-by-Ivan-Turgenev.pdf
    • http://loaminoo.linkpc.net/4099094098090095/Kiera-Hudson-Limited-Edition-Series-One-Vampire-Shift-Vampire-Wake-amp-Vampire-Hunt-Book-1-by-Tim-O-39-Rourke.pdf
    • http://loaminoo.linkpc.net/8094091098093090/Sons-and-Lovers-1913-Novel-by-D-H-Lawrence-100-Best-Novels-of-the-20th-Century-Include-Women-in-Love-1920

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