Malicious PDF — malware analysis report

Static analysis result for SHA-256 47fa2ad6b4c577da…

MALICIOUS

PDF

26.3 KB Created: 2019-04-30 05:53:33 +01:00 Authoring application: mPDF 5.7
MD5: 115991b3c466b2e3722d5a57182e286f SHA-1: 14cd03762a0109a87b7aa953d93bef09d0b0ad6a SHA-256: 47fa2ad6b4c577da92b6621d96fc0f2d1a4811139a3f2d35c2bd4abf7d24bf33
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to external PDF files, disguised as legitimate guides. This technique is often used to drive traffic to malicious sites or to host further malicious content. The ML classifier strongly indicated maliciousness, and the heuristic firings confirm the presence of a link farm designed to appear as legitimate content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9908

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://xiixmcuin.linkpc.net/6204201202204204/An-Essential-Guide-to-Digital-Underwater-Photography-A-Complete-How-To-Guide-by-Mathieu-Meur-Michael-Aw.pdf
    • http://xiixmcuin.linkpc.net/6209202209206201/The-Complete-Guide-to-Sony-s-Alpha-6000-Digital-Camera-by-Gary-L-Friedman.pdf
    • http://xiixmcuin.linkpc.net/2207205205202200/The-Essential-Guide-to-Writing-a-Novel-A-Complete-and-Concise-Manual-for-Fiction-Writers-by-James-Stewart-Thayer.pdf
    • http://xiixmcuin.linkpc.net/6209203200205201/David-Busch-s-Sony-Alpha-Slt-A65-Guide-to-Digital-Photography-by-David-D-Busch.pdf
    • http://xiixmcuin.linkpc.net/6209203200204209/David-Busch-s-Sony-Alpha-Nex-5N-Guide-to-Digital-Photography-by-David-D-Busch.pdf
    • http://xiixmcuin.linkpc.net/4206205203208208/Collins-Complete-British-Mushrooms-and-Toadstools-The-essential-photograph-guide-to-Britain-s-fungi-by-Paul-Sterry.pdf
    • http://xiixmcuin.linkpc.net/5203202203205/The-Complete-Photo-Guide-to-Hand-Lettering-and-Calligraphy-The-Essential-Reference-for-Novice-and-Expert-Letterers-and-Calligraphers-by-Abbey-Sy.pdf
    • http://xiixmcuin.linkpc.net/2206205209204202/Essential-Oils-Detailed-Essential-Oils-For-Beginners-Guide-For-Physical-and-Emotional-Health---Including-FREE-50-DIY-Essential-Oil-Recipes-ebook-by-Matt-Hall.pdf
    • http://xiixmcuin.linkpc.net/7209206204205200/Photography-and-the-Art-of-Seeing-A-Visual-Perception-Workshop-for-Film-and-Digital-Photography-by-Freeman-Patterson.pdf
    • http://xiixmcuin.linkpc.net/3206207208208205/Complete-in-Him-A-Guide-to-Understanding-and-Enjoying-the-Gospel-by-Michael-P-V-Barrett.pdf
    • http://xiixmcuin.linkpc.net/4206209207205201/The-Modern-Guide-to-Witchcraft-Your-Complete-Guide-to-Witches-Covens-and-Spells-by-Skye-Alexander.pdf
    • http://xiixmcuin.linkpc.net/1200208203200207202/A-guide-to-Aachen-by-Sabine-Mathieu.pdf
    • http://xiixmcuin.linkpc.net/4207201206200200/The-Complete-Book-of-Juicing-Your-Delicious-Guide-to-Youthful-Vitality-by-Michael-T-Murray.pdf
    • http://xiixmcuin.linkpc.net/7204204201207/Essential-Oils-For-Beginners-Ultimate-Guide-To-Aromatherapy-And-Essential-Oils-For-Healing-by-Laura-Serio.pdf
    • http://xiixmcuin.linkpc.net/2208208200206207/Not-Just-Small-But-Tiny-The-Complete-Guide-To-Gardening-In-Small-Spaces-by-Michael-Miller.pdf
    • http://xiixmcuin.linkpc.net/1200209207206207205/The-Union-Member-s-Complete-Guide-Everything-You-Want--And-Need--To-Know-about-Working-Union-by-Michael-Mauer.pdf
    • http://xiixmcuin.linkpc.net/8201208200204207/National-Audubon-Society-Guide-to-Landscape-Photography-by-Tim-Fitzharris.pdf
    • http://xiixmcuin.linkpc.net/4209206209209205/The-Ultimate-Guide-to-Great-Reggae-The-Complete-Story-of-Reggae-Told-Through-Its-Greatest-Songs-Famous-and-Forgotten-by-Michael-Garnice.pdf
    • http://xiixmcuin.linkpc.net/7200205208201201/Boudoir-Photography---a-Guide-to-Excellence-Invest-in-Knowledge-by-Tammy-Warnock.pdf
    • http://xiixmcuin.linkpc.net/7203204203200206/Expressive-Photography-The-Shutter-Sisters-Guide-to-Shooting-from-the-Heart-by-Tracey-Clark.pdf
    • http://xiixmcuin.linkpc.net/4206205203208208/Collins-Complete-British-Mushrooms-and-Toadstools-The

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