Malicious PDF — malware analysis report

Static analysis result for SHA-256 4cd0e7f70e42f99d…

MALICIOUS

PDF

38.7 KB Created: 2020-03-13 03:17:16 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 58a82acddf9936e5c2819f3e982e6805 SHA-1: a50704340f41c93eafed6bfab303c132f01c09dd SHA-256: 4cd0e7f70e42f99dfc526e7c0cae8730db5dda52794df1923c8e0b241f07ffd0
62 Risk Score

Malware Insights

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

The PDF document contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on different domains, suggesting a link farm or a distribution mechanism for further malicious content. The document body itself is heavily obfuscated and contains some of the URLs, reinforcing the attack pattern.

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://insideoutflyscreens.com.au/uploads/1/3/0/9/130969757/130969757.html#prefixes+and+suffixes+examples+sentences
    • http://rlcreliablelovingcare.com/uploads/1/3/0/5/130541944/1989b.pdf
    • http://enchantedplayhouse.net/uploads/1/3/0/2/130272483/6717019.pdf
    • http://rhs69reunion50.com/uploads/1/3/0/9/130969509/4498997.pdf
    • http://beyondstockllc.com/uploads/1/3/0/3/130379111/2829573.pdf
    • http://khaoorganic.com/uploads/1/3/0/3/130379210/xaripiwa.pdf
    • http://www.heavenlyscentcandlesandmore.com/uploads/1/3/0/4/130435819/7697773.pdf
    • http://www.seekrootsolutions.com/uploads/1/3/0/6/130620685/nesadibolope-zodexegufoled.pdf
    • http://eatonsquarebureau.com/uploads/1/3/0/4/130435966/pofujesorovul_tapamowomo_fapazoropaxonim.pdf
    • http://www.hudsonvalleybathroomremodel.com/uploads/1/3/0/5/130539825/numenawukamaw.pdf
    • http://albertonorchids.com/uploads/1/3/0/5/130540789/2665878.pdf
    • http://webdisk.digcitkids.com/uploads/1/3/0/4/130476912/xigaxifuruk_durunesisiw_fopupeguzikisu.pdf
    • http://www.packethunters.com/uploads/1/3/0/7/130738929/domexowuwosuriz.pdf
    • http://www.radiotvurupemba.com/uploads/1/3/0/5/130539309/gubibitetu-lizujuroguweda.pdf
    • http://suehail.com/uploads/1/3/0/2/130273752/1724753df.pdf
    • http://mail.sandiego-ymf.org/uploads/1/3/0/7/130738892/jojajirunuraj.pdf
    • http://experientours.com/uploads/1/3/0/7/130739772/wuwobafiva_sobeli_vizeluriweluzux_fazewozunosiw.pdf
    • http://naomiquinnphotography.com/uploads/1/3/0/6/130620484/pojesezo-jewawuwojazodo.pdf
    • http://necoraindustries.com/uploads/1/3/0/6/130622058/ff05d118dd.pdf
    • http://mmdpgames.com/uploads/1/3/0/6/130621367/94e49092c9c6c8.pdf
    • http://kevinabneylmt.com/uploads/1/3/0/6/130603955/6565234.pdf
    • http://joemarianek.design/uploads/1/3/0/5/130551427/2781912.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.

FilenameKindSourceSize
font_00_sfnt_off00006f97.bin
e493e72851d2a641e1aa01297f2444c2ed00761c4425640c36dbd72c22c50973		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F97 7504 bytes

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