Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e813b33c8cffdf0…

MALICIOUS

PDF

17.9 KB Created: 2019-05-02 01:06:57 +01:00 Authoring application: mPDF 5.7
MD5: ece28ba8b360e0db4b073823bfba8fd7 SHA-1: 9fb5a0c996e40efa54370bf914392cc0ff4d06a5 SHA-256: 6e813b33c8cffdf0d38d078635edc216861c11beace5dbb868b2dcb84c349893
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, identified as a link farm. These URLs point to book titles, but the heuristic suggests this is a technique for SEO manipulation or potentially distributing further malicious content. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the specific intent beyond the link farm.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9931

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/3099099098099093/Good-Night-Sleep-Tight-The-Sleep-Lady-s-Gentle-Guide-to-Helping-Your-Child-Go-to-Sleep-Stay-Asleep-and-Wake-Up-Happy-by-Kim-West.pdf
    • http://loaminoo.linkpc.net/1098095099090/The-Floppy-Sleep-Game-Book-A-Proven-4--Week-Plan-to-Get-Your-Child-to-Sleep-by-Patti-Teel.pdf
    • http://loaminoo.linkpc.net/4094097098093096/Why-We-Sleep-Unlocking-the-Power-of-Sleep-and-Dreams-by-Matthew-Walker.pdf
    • http://loaminoo.linkpc.net/3099094099097099/Sleep-Soundly-Every-Night-Feel-Fantastic-Every-Day-A-Doctor-s-Guide-to-Solving-Your-Sleep-Problems-by-Robert-S-Rosenberg.pdf
    • http://loaminoo.linkpc.net/3097095093090090/Stop-Losing-Sleep-Establish-Healthy-Sleep-Patterns-to-Improve-your-Health-and-Energy-by-Kyle-Richards.pdf
    • http://loaminoo.linkpc.net/3093098098090090/The-Sleep-Solution-why-your-sleep-is-broken-and-how-to-fix-it-by-W-Chris-Winter.pdf
    • http://loaminoo.linkpc.net/2099097090091093/Chasing-Adonis-by-Gina-Ardito.pdf
    • http://loaminoo.linkpc.net/9091093095097/Sleep-Baby-Sleep-by-Teri-Weidner.pdf
    • http://loaminoo.linkpc.net/5091099095090097/Sleep-Big-Bear-Sleep-by-Maureen-Wright.pdf
    • http://loaminoo.linkpc.net/8092091092092090/Venus-and-Adonis-1627-by-William-Shakespeare.pdf
    • http://loaminoo.linkpc.net/1096095092097097/The-Gardens-of-Adonis-Spices-in-Greek-Mythology---Second-Edition-by-Marcel-Detienne.pdf
    • http://loaminoo.linkpc.net/7090090094094098/Twelve-Hours-Sleep-by-Twelve-Weeks-Old-A-Step-By-Step-Plan-for-Baby-Sleep-Success-by-Suzy-Giordano.pdf
    • http://loaminoo.linkpc.net/6098097092090096/Before-I-Go-To-Sleep-by-S-J-Watson.pdf
    • http://loaminoo.linkpc.net/3090093093099091/Cry-Myself-to-Sleep-by-Joe-Peters.pdf
    • http://loaminoo.linkpc.net/7097097090099090/Before-I-Go-To-Sleep-by-S-J-Watson.pdf
    • http://loaminoo.linkpc.net/6091091097/We-Shall-Not-All-Sleep-by-Estep-Nagy.pdf
    • http://loaminoo.linkpc.net/4096092095094097/Before-We-Sleep-by-Jeffrey-Lent.pdf
    • http://loaminoo.linkpc.net/3099090096097090/Seriously-Just-Go-to-Sleep-by-Adam-Mansbach.pdf
    • http://loaminoo.linkpc.net/9092097098093/No-Go-Sleep-by-Kate-Feiffer.pdf
    • http://loaminoo.linkpc.net/4099093096099/Beyond-The-Wall-Of-Sleep-by-H-P-Lovecraft.pdf

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