Malicious PDF — malware analysis report

Static analysis result for SHA-256 acfe057c44c683da…

MALICIOUS

PDF

21.5 KB Created: 2019-05-02 05:45:15 +01:00 Authoring application: mPDF 5.7
MD5: 0c58ab8fadb13d0076256021c5429e88 SHA-1: ac94bb270550b12cac3de3a0e82484497083a9a4 SHA-256: acfe057c44c683dae1042aee011b3ee1e8baaeb43a91445b1e5df877358ca644
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to distribute malicious content. The ML classifier strongly indicated maliciousness. While the URLs themselves are currently marked as benign, the sheer volume and the heuristic firing suggest a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

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/2095095091096094/The-End-of-the-Line-How-Overfishing-Is-Changing-the-World-and-What-We-Eat-by-Charles-Clover.pdf
    • http://loaminoo.linkpc.net/1090098095090093091/The-Power-of-Changing-your-Habits-No-Shit-Guide-by-Charles-Duncan.pdf
    • http://loaminoo.linkpc.net/9094097093090096/Magic-Line-by-Charles-Gute.pdf
    • http://loaminoo.linkpc.net/5097094091097/Being-You-Changing-the-World-by-Dain-Heer.pdf
    • http://loaminoo.linkpc.net/4097099096099096/Sifting-Through-the-Madness-for-the-Word-the-Line-the-Way-by-Charles-Bukowski.pdf
    • http://loaminoo.linkpc.net/3099094099098094/Where-I-m-Reading-From-The-Changing-World-of-Books-by-Tim-Parks.pdf
    • http://loaminoo.linkpc.net/4093096098099093/Nowhere-Like-Home-Misadventures-in-a-Changing-World-by-Jamie-Alexander.pdf
    • http://loaminoo.linkpc.net/2098095091098095/Nowhere-Like-Home-Misadventures-in-a-Changing-World-by-Jamie-Alexander.pdf
    • http://loaminoo.linkpc.net/1091094094090097091/Done-The-Secret-Deals-that-are-Changing-Our-World-by-Jacques-Peretti.pdf
    • http://loaminoo.linkpc.net/4091098096/The-Book-of-Joy-Lasting-Happiness-in-a-Changing-World-by-Dalai-Lama-XIV.pdf
    • http://loaminoo.linkpc.net/6093094093091/The-Book-of-Joy-Lasting-Happiness-in-a-Changing-World-by-Dalai-Lama-XIV.pdf
    • http://loaminoo.linkpc.net/7095096090092/The-Routes-of-Man-How-Roads-Are-Changing-the-World-and-the-Way-We-Live-Today-by-Ted-Conover.pdf
    • http://loaminoo.linkpc.net/1090096090094092/Sex-and-the-Citadel-Intimate-Life-in-a-Changing-Arab-World-by-Shereen-El-Feki.pdf
    • http://loaminoo.linkpc.net/7099099099098090/Our-Bright-World-Learn-Colors-With-Changing-Weather-and-Seasons-by-Kim-Flewelling.pdf
    • http://loaminoo.linkpc.net/4095097093094/Changing-the-Bully-Who-Rules-the-World-Reading-and-Thinking-About-Ethics-by-Carol-Bly.pdf
    • http://loaminoo.linkpc.net/5099091097099099/Bleak-House-1852-by-Charles-Dickens-The-Ninth-Novel-by-Charles-Dickens-World-s-Classic-s-Bleak-House-Is-One-of-Charles-Dickens-s-Major-Novels-First-Published-as-a-Serial-Between-March-1852-and-September-1853-by-Charles-Dickens.pdf
    • http://loaminoo.linkpc.net/7091094092092091/France-and-Singapore-Strategic-Partners-in-a-Fast-Changing-World-by-Fran-ois-Hollande.pdf
    • http://loaminoo.linkpc.net/2096097091091091/Adventure-Divas-Searching-the-Globe-for-Women-Who-Are-Changing-the-World-by-Holly-Morris.pdf
    • http://loaminoo.linkpc.net/2098092094096097/Crossing-the-Line-World-Apart-1-by-Nicola-Marsh.pdf
    • http://loaminoo.linkpc.net/1090094095091098092/Shift-Ahead-How-the-Best-Companies-Stay-Relevant-in-a-Fast-Changing-World-by-Allen-Adamson.pdf
    • http://loaminoo.linkpc.net/4093096098099093/Nowhere-Like-Home-Misadventures-in-a-Changing-