Malicious PDF — malware analysis report

Static analysis result for SHA-256 c6b030a1a2c3b683…

MALICIOUS

PDF

26.3 KB Created: 2019-04-30 06:26:34 +01:00 Authoring application: mPDF 5.7
MD5: 3036389c04bac067cb54fe9f73f872b6 SHA-1: 39a2bcb2da114d331fc9123ef4baf58533d6670a SHA-256: c6b030a1a2c3b683b728efe3f23bedf493f3815dcc86ed16770f7dc6923146df
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged this PDF as malicious with high confidence. The embedded links likely lead to a malicious website, potentially for phishing or distributing further malware. No scripts were extracted from this sample.

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://loaminoo.linkpc.net/6094094094098/Blackhorse-Riders-A-Desperate-Last-Stand-an-Extraordinary-Rescue-Mission-and-the-Vietnam-Battle-America-Forgot-by-Philip-Keith.pdf
    • http://loaminoo.linkpc.net/2098091096099099/50-Children-One-Ordinary-American-Couple-s-Extraordinary-Rescue-Mission-into-the-Heart-of-Nazi-Germany-by-Steven-Pressman.pdf
    • http://loaminoo.linkpc.net/1091092095099097097/Battle-for-the-Soul-M-tis-Children-Encounter-Evangelical-Protestants-at-Mackinaw-Mission-1823-1837-by-Keith-R-Widder.pdf
    • http://loaminoo.linkpc.net/6095092090097091/The-Cyrano-Saga-A-Desperate-Mission-by-R-D-Trimble.pdf
    • http://loaminoo.linkpc.net/2096093092099094/Desperate-Knight-by-Keith-W-Willis.pdf
    • http://loaminoo.linkpc.net/1098095094092090/Desperate-Hours-The-Epic-Rescue-of-the-Andrea-Doria-by-Richard-Goldstein.pdf
    • http://loaminoo.linkpc.net/1091091097098095093/Dog-Rescue-Mission-by-Joe-Lorenzano.pdf
    • http://loaminoo.linkpc.net/8094098095093099/Death-Mission-The-Stand-by-Valkyria-DeDieu.pdf
    • http://loaminoo.linkpc.net/3096094099092091/Saving-Cinnamon-The-Amazing-True-Story-of-a-Missing-Military-Puppy-and-the-Desperate-Mission-to-Bring-Her-Home-by-Christine-Sullivan.pdf
    • http://loaminoo.linkpc.net/4095096095097098/No-Mercy-Book-2-after-Phantom-Riders-MC-Hawk-No-cliffhangers-Stand-alone-romance-by-Tory-Richards.pdf
    • http://loaminoo.linkpc.net/2095097092093091/The-Greatest-Battle-Stalin-Hitler-and-the-Desperate-Struggle-for-Moscow-That-Changed-the-Course-of-World-War-II-by-Andrew-Nagorski.pdf
    • http://loaminoo.linkpc.net/4092092095090094/Last-Night-I-Dreamed-Of-Peace-An-Extraordinary-Diary-Of-Courage-From-The-Vietnam-War-by-ng-Th-y-Tr-m.pdf
    • http://loaminoo.linkpc.net/4097098099092091/Last-Night-I-Dreamed-of-Peace-An-Extraordinary-Diary-of-Courage-from-the-Vietnam-War-by-ng-Th-y-Tr-m.pdf
    • http://loaminoo.linkpc.net/5098094093099091/Indestructible-One-Man-s-Rescue-Mission-That-Changed-the-Course-of-WWII-by-John-R-Bruning.pdf
    • http://loaminoo.linkpc.net/3098095097090096/Ripcord-Screaming-Eagles-Under-Siege-Vietnam-1970-by-Keith-William-Nolan.pdf
    • http://loaminoo.linkpc.net/1092091091098091/The-Grey-Seas-Under-The-Perilous-Rescue-Mission-of-a-N-A-Salvage-Tug-by-Farley-Mowat.pdf
    • http://loaminoo.linkpc.net/3096090098098/We-Were-Soldiers-Once-and-Young-Ia-Drang---The-Battle-that-Changed-the-War-in-Vietnam-by-Harold-G-Moore.pdf
    • http://loaminoo.linkpc.net/3098096094094/The-Last-Stand-of-the-Tin-Can-Sailors-The-Extraordinary-World-War-II-Story-of-the-U-S-Navy-s-Finest-Hour-by-James-D-Hornfischer.pdf
    • http://loaminoo.linkpc.net/5091094091090095/Ordinary-Man-Extraordinary-Mission-The-Life-and-Work-of-E-Stanley-Jones-by-Stephen-A-Graham.pdf
    • http://loaminoo.linkpc.net/2095095096096099/Last-Stand-in-the-Carolinas-The-Battle-of-Bentonville-by-Mark-L-Bradley.pdf
    • http://loaminoo.linkpc.net/6095092090097091/The-Cyrano-Saga-A-Desperate-Mission-by-R

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