Malicious PDF — malware analysis report

Static analysis result for SHA-256 3970bf170a74bd02…

MALICIOUS

PDF

52.5 KB Created: 2020-04-02 12:27:48 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: aaf0074a9ed480838e57c465733b868b SHA-1: 3cad769195f5b821b7926a7a326d357e0fd5b23e SHA-256: 3970bf170a74bd0204ffd6d6efc298c7f22c5541d366fddc87e98f3110f24018
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 pointing to other PDF files hosted on various domains. This pattern is indicative of a link farm or a phishing campaign designed to distribute malicious content or redirect users to fraudulent sites. The ML classifier strongly supports the malicious nature of this PDF. No scripts were extracted from this sample.

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://alrabieaalarabi.net/uploads/1/3/1/0/131070805/131070805.html#que+es+un+red+de+computadoras
    • http://lydlydcastorena.com/uploads/1/3/1/4/131407944/ea8e83996b.pdf
    • http://rechargedxb.com/uploads/1/3/0/6/130604855/72ccc9294.pdf
    • http://bushbuckriverhouse.com/uploads/1/3/0/8/130813055/tulelivovibapaf_pewafubafit_mawosasopom.pdf
    • http://barbaraabati.com/uploads/1/3/0/4/130435737/1868614.pdf
    • http://joanproudmanart.com/uploads/1/3/0/6/130639782/pusipedotaga_zerufew.pdf
    • http://lovelycaroline.net/uploads/1/3/0/6/130621068/1738596.pdf
    • http://econogreen.org/uploads/1/3/0/4/130475981/zefejuxadi_wuvesobelavo_wujitow_mitebunezop.pdf
    • http://campisicustoms.com/uploads/1/3/0/6/130604165/131625.pdf
    • http://aloveoftennis.ca/uploads/1/3/0/6/130605433/zovopu.pdf
    • http://ahmedaliaref.com/uploads/1/3/0/3/130313718/zemosuv.pdf
    • http://floridasilverfoxes.com/uploads/1/3/0/3/130379380/7720356.pdf
    • http://thenewdope.com/uploads/1/3/0/2/130288455/790156.pdf
    • http://layanshaheen.com/uploads/1/3/0/5/130542953/jomutakavomu.pdf
    • http://electrotech.vip/uploads/1/3/0/7/130740368/didivabafiw.pdf
    • http://willellastock.com/uploads/1/3/1/0/131070767/35e42c7256.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000904a.bin
15f0c94a14297e4a41020bcd23c02ec535b5265a355f929b4d478e22fa062e64		 pdf-font-stream PDF embedded font (sfnt) at offset 0x904A 8636 bytes
font_01_sfnt_off0000afc7.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAFC7 16036 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.