Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa23f12b4f109711…

MALICIOUS

PDF

18.6 KB Created: 2019-04-30 02:27:09 +01:00 Authoring application: mPDF 5.7
MD5: 55f06d689d9d39b25f443de577a4b51c SHA-1: 1482c77400838d986c7826821f25cf02d8138a2b SHA-256: fa23f12b4f1097117943632d843efccb76da7608f8716252139a8f3d6fd1f18b
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file was identified as malicious due to a critical heuristic firing for a PDF SEO link farm. It contains numerous embedded links, all pointing to the same domain 'loaminoo.linkpc.net' with book titles in the URL path. While the URLs themselves are marked as benign, the sheer volume and structure suggest a malicious intent, likely to distribute malware or engage in SEO spam. 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/1091090094098094/In-the-Company-of-Heroes-The-Personal-Story-Behind-Black-Hawk-Down-by-Michael-J-Durant.pdf
    • http://loaminoo.linkpc.net/1099092094093/When-Heroes-Die-by-Penny-Raife-Durant.pdf
    • http://loaminoo.linkpc.net/6098096093093/The-Return-of-the-Black-Company-The-Chronicles-of-the-Black-Company-6-7-by-Glen-Cook.pdf
    • http://loaminoo.linkpc.net/5093092098099/Feather-of-Hawk---Rebellion-Epic-historical-fiction-based-on-a-true-story-by-Dave-Michael.pdf
    • http://loaminoo.linkpc.net/5091091095094092/Hawk-Mother-The-Story-of-a-Red-Tailed-Hawk-Who-Hatched-Chickens-by-Kara-Hagedorn.pdf
    • http://loaminoo.linkpc.net/1090093099093095/Galen-Beknighted-Dragonlance-Heroes-6-Heroes-II-3-by-Michael-Williams.pdf
    • http://loaminoo.linkpc.net/3093094092093097/The-New-Heroes-Superhuman-New-Heroes-Quantum-Prophecy-3-5-by-Michael--Carroll.pdf
    • http://loaminoo.linkpc.net/4092092098098/The-Story-of-Civilization-11-Volume-Set-by-Will-Durant.pdf
    • http://loaminoo.linkpc.net/3098095093097092/The-Age-of-Napoleon-The-Story-of-Civilization-11-by-Will-Durant.pdf
    • http://loaminoo.linkpc.net/7095093093090098/Beyond-The-E-Myth-The-Evolution-of-an-Enterprise-From-a-Company-of-One-to-a-Company-of-1-000-by-Michael-E-Gerber.pdf
    • http://loaminoo.linkpc.net/2098094092093/Caesar-and-Christ-Story-of-Civilization-3-by-Will-Durant.pdf
    • http://loaminoo.linkpc.net/7095093098098/The-Life-of-Greece-The-Story-of-Civilization-2-by-Will-Durant.pdf
    • http://loaminoo.linkpc.net/3096098092098/Chronicles-of-the-Black-Company-The-Chronicles-of-the-Black-Company-1-3-by-Glen-Cook.pdf
    • http://loaminoo.linkpc.net/1090091099099090/The-Night-Stalkers-Top-Secret-Missions-of-the-U-S-Army-s-Special-Operations-Aviation-Regiment-by-Michael-J-Durant.pdf
    • http://loaminoo.linkpc.net/1095090092096/Black-Hawk-Down-by-Mark-Bowden.pdf
    • http://loaminoo.linkpc.net/9099095092092/Feather-of-Hawk-by-Dave-Michael.pdf
    • http://loaminoo.linkpc.net/4092090099096090/Flight-of-the-Hawk-The-River-A-Novel-of-the-American-West-1-by-W-Michael-Gear.pdf
    • http://loaminoo.linkpc.net/3096093093092096/The-Road-to-Unafraid-How-the-Army-s-Top-Ranger-Faced-Fear-and-Found-Courage-through-Black-Hawk-Down-and-Beyond-by-Jeff-Struecker.pdf
    • http://loaminoo.linkpc.net/7098093094099/Under-the-Big-Black-Sun-A-Personal-History-of-L-A-Punk-by-John-Doe.pdf
    • http://loaminoo.linkpc.net/4099090096091096/Jesse-Hawk-Brave-Father-Hawk-Brothers-2-by-Sheri-Whitefeather.pdf
    • http://loaminoo.linkpc.net/7095093093090098/Beyond-The-E-Myth-The-Evolution-

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