PDF malware analysis — malicious · 40b70a79d3f653d1

MALICIOUS

PDF

47.8 KB Created: 2020-03-29 12:15:20 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)

MD5: a460130d3feee8ce9cd96b085086dd6b SHA-1: 3a2042fd9d89ee16947fd463b905e2ebe50d8170 SHA-256: 40b70a79d3f653d1a2dd70cc2f21690fe7603431ae0f70193a4a3887db687a97

92 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of external links, a technique commonly used for SEO poisoning or to distribute malicious content across many domains. The heuristic 'PDF_SEO_LINK_FARM' specifically identifies this behavior, indicating the document's primary purpose is to act as a link farm. No scripts were extracted, and the document body is heavily obfuscated, but the presence of numerous unknown-reputation URLs strongly suggests a malicious intent to redirect users to potentially harmful content.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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://host.creativedatainc.com/uploads/1/3/1/4/131406739/131406739.html#level+five+gymnastics+floor+music
- http://mytrumpvsobamaeconomics.com/uploads/1/3/0/5/130544001/natetoza.pdf
- http://endwatchers.com/uploads/1/3/0/3/130379087/jawobitive.pdf
- http://walkerscience.info/uploads/1/3/1/0/131070574/7759357.pdf
- http://wordofmouthtreeserviceinc.com/uploads/1/3/0/3/130323515/kajibupe_xewitegeb_fefazipivom.pdf
- http://paulsonquispe.com/uploads/1/3/0/5/130544541/junukutevasok.pdf
- http://108infinity.com/uploads/1/3/0/6/130603977/8843181.pdf
- http://reneuca.com/uploads/1/3/1/3/131380741/7727356.pdf
- http://theinfinuum.com/uploads/1/3/0/6/130620184/jelilofi.pdf
- http://tibetannightterrors.com/uploads/1/3/0/2/130288456/netudij-jefew-vuletebopobukif-zofivenozudo.pdf
- http://mauleparts.com/uploads/1/3/0/6/130604650/7866637.pdf
- http://100hunts.com/uploads/1/3/0/2/130287936/a74a71e4f.pdf
- http://yourhealingenergy.com/uploads/1/3/0/7/130775768/wixodud_gurudada_mufavimama_xiboli.pdf
- http://drsundeepsingh.com/uploads/1/3/0/4/130483745/4684358.pdf
- http://adethegnome.com/uploads/1/3/0/4/130475923/3972629a966.pdf
- http://theindependentassistant.com/uploads/1/3/0/4/130476878/lopigokivi.pdf
- http://everettdesigninc.com/uploads/1/3/0/8/130874073/ximozujet.pdf
- http://twincitiescraniosacral.com/uploads/1/3/0/4/130483937/8464826.pdf
- http://oaklands-care-home.com/uploads/1/3/0/5/130541031/pitebev_setefefarudeki_nosidixurosiz.pdf
- http://surrealdimensionsannapolis.com/uploads/1/3/0/9/130969604/2a01b66.pdf
- http://pitsoulis-lift.gr/uploads/1/3/0/6/130621951/5056102.pdf
- http://bsprs.net/uploads/1/3/1/3/131383717/fuwekadewojabe.pdf
- http://nfldraftdays.com/uploads/1/3/0/6/130604350/f73fcf05.pdf
- http://alzahur.com/uploads/1/3/0/7/130739258/kawizazutulaxozigil.pdf
- 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 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00008e78.bin` `5d1f22c01c6907dcdc97495b89107b2c903f2ee9b51bdf79c50b0dd7a9e7845e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8E78	9448 bytes

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