Malicious PDF — malware analysis report

Static analysis result for SHA-256 91128edf96b884ab…

MALICIOUS

PDF

39.4 KB Created: 2020-04-15 21:18:58 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7793c442fc62e8f333c3634a587cdfc3 SHA-1: 6341e41a8fb73a262f480184314e3f63253f2562 SHA-256: 91128edf96b884abf0475e879e1f46f962eda3a5e8f29b6f075f8bab709bcccd
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The primary URL found is http://deceptivelysimple.com/uploads/1/3/0/6/130639418/130639418.html#lagu+betrayer+bendera+kuning+versi+baru. This suggests the document is designed to redirect users to a network of other sites, likely for SEO spam or to distribute further malicious content. No scripts were extracted from this sample.

Heuristics 3

  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://deceptivelysimple.com/uploads/1/3/0/6/130639418/130639418.html#lagu+betrayer+bendera+kuning+versi+baru
    • http://9f62dcb150.com/uploads/1/3/0/3/130313191/c709f7e.pdf
    • http://connorcopelandcreative.com/uploads/1/3/0/6/130639511/5530888.pdf
    • http://restorativejuveniledetention.org/uploads/1/3/0/6/130639513/413b524e75d6d30.pdf
    • http://orionfolio.com/uploads/1/3/0/2/130289262/6466883.pdf
    • http://padrejoseblog.com/uploads/1/3/1/4/131437743/piresoma.pdf
    • http://coecustomfirearms.com/uploads/1/3/0/8/130813866/solazepatuwusosuga.pdf
    • http://kimsbookstore.com/uploads/1/3/0/6/130604306/lilanedurer.pdf
    • http://rainstorms.org/uploads/1/3/0/2/130271234/cc3033ff7ab16e.pdf
    • http://rabbirenee.com/uploads/1/3/0/7/130740196/wogeluba_tezigipibop_piwumok.pdf
    • http://thenightmarehauntedhouse.com/uploads/1/3/1/3/131383629/5ae33cd6c.pdf
    • http://link-vm.com/uploads/1/3/0/6/130639226/dogupepazedunod-wizubomagidep-lidikineb-wuvasajonobul.pdf
    • http://livingwatermichigan.com/uploads/1/3/0/6/130620798/silikapu.pdf
    • http://khourybros.info/uploads/1/3/1/3/131384226/sorejuwol-bukimixipuwa-wuvonaropukofi-vabutawokadi.pdf
    • http://khourybros.info/uploads/1/3/1/3/131384226/sorejuwol-bukim
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000668f.bin
15457d048b9516d31996159217cbcc91fc5eb34a4671a083efa73671e0a5fa7f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x668F 8140 bytes
font_01_sfnt_off0000861a.bin
d907c570f1f8f2d62f38d7529dbf77de46ca3a1917ec53aca7a78bae59874b04		 pdf-font-stream PDF embedded font (sfnt) at offset 0x861A 2616 bytes

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