Malicious PDF — malware analysis report

Static analysis result for SHA-256 56bb92b0912c2a8d…

MALICIOUS

PDF

19.6 KB Created: 2019-04-30 02:29:37 +01:00 Authoring application: mPDF 5.7
MD5: fe77aef38bdc7c65ceff6b075f4eb131 SHA-1: 5ac1eb82e252fb8fceaee057dfde30cbc2818e92 SHA-256: 56bb92b0912c2a8d41e18023a64db04422dd560adef1bb5c24b6ac63e602b599
60 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic. These URLs point to various book titles hosted on the 'linkpc.net' domain. While many of these specific URLs are marked as benign, the sheer volume and the nature of the heuristic suggest a malicious intent, likely for SEO spam or to lure users to potentially malicious content. No scripts were extracted from this sample.

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/2095098099094/The-Penguin-Book-of-Modern-Fantasy-by-Women-by-A-Susan-Williams.pdf
    • http://loaminoo.linkpc.net/4094095090097092/The-Penguin-Book-Of-Modern-Women-s-Short-Stories-by-Susan-Hill.pdf
    • http://loaminoo.linkpc.net/2093096093090097/The-Penguin-Book-of-Modern-Canadian-Short-Stories-by-Wayne-Grady.pdf
    • http://loaminoo.linkpc.net/1091095093094091097/Instructor-s-Resource-Manual-To-Accompany-The-Penguin-Handbook-And-Brief-Penguin-Handbook-Second-Edition-by-Susan-Schorn.pdf
    • http://loaminoo.linkpc.net/4094095090099092/The-Penguin-Book-of-Victorian-Women-in-Crime-Forgotten-Cops-and-Private-Eyes-from-the-Time-of-Sherlock-Holmes-by-Michael-Sims.pdf
    • http://loaminoo.linkpc.net/2096096099095093/The-Dragon-Book-Magical-Tales-from-the-Masters-of-Modern-Fantasy-by-Jack-Dann.pdf
    • http://loaminoo.linkpc.net/5093095093090098/Fantasy-Magazine-October-2014-Women-Destroy-Fantasy-Special-Issue-by-Cat-Rambo.pdf
    • http://loaminoo.linkpc.net/3092093093095092/Fantasy-Writers-Phrase-Book-Essential-Reference-for-All-Authors-of-Fantasy-Adventure-and-Medieval-Historical-Fiction-Writers-Phrase-Books-Book-4-by-Jackson-Dean-Chase.pdf
    • http://loaminoo.linkpc.net/4094095096098097/Women-and-Fiction-Short-Stories-By-and-About-Women-by-Susan-Cahill.pdf
    • http://loaminoo.linkpc.net/4094099093091094/Blake-and-the-Maltese-Futanari-A-Woman-Turned-Futa-Fantasy-Futanari-Fantasy-Collection-Book-1-by-Beatrice-Evenmorne.pdf
    • http://loaminoo.linkpc.net/5091092098090/The-Penguin-Book-of-Zen-Poetry-by-Lucien-Stryk.pdf
    • http://loaminoo.linkpc.net/1099094092098096/The-Penguin-Book-of-First-World-War-Poetry-by-Jon-Silkin.pdf
    • http://loaminoo.linkpc.net/4091094091092094/The-Penguin-Book-of-the-Sonnet-by-Phillis-Levin.pdf
    • http://loaminoo.linkpc.net/4098099099092091/The-Penguin-Book-of-the-Bicycle-by-Roderick-Watson.pdf
    • http://loaminoo.linkpc.net/1092099099097098/The-Reclamation-Of-A-Queen-Guinevere-In-Modern-Fantasy-by-Barbara-Ann-Gordon-Wise.pdf
    • http://loaminoo.linkpc.net/7096098093094097/Film-and-Fairy-Tales-The-Birth-of-Modern-Fantasy-by-Kristian-Moen.pdf
    • http://loaminoo.linkpc.net/1092099098099090/The-Dharma-of-Dragons-and-Daemons-Buddhist-Themes-in-Modern-Fantasy-by-David-R-Loy.pdf
    • http://loaminoo.linkpc.net/3095092097092092/The-Penguin-Book-of-Caribbean-Short-Stories-by-E-A-Markham.pdf
    • http://loaminoo.linkpc.net/4091094091093090/The-Penguin-Book-of-Irish-Fiction-by-Colm-T-ib-n.pdf
    • http://loaminoo.linkpc.net/3092095093097097/The-New-Penguin-Book-of-Scottish-Short-Stories-by-Ian-Murray.pdf
    • http://loaminoo.linkpc.net/509

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