PDF malware analysis — malicious · 9a92f19e391f6b07

MALICIOUS

PDF

42.7 KB Created: 2020-03-30 10:58:47 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)

MD5: 67f3d91de5776f460aae63211799d566 SHA-1: d12bf193644a8e41d11cbf82466eca45fb04cad6 SHA-256: 9a92f19e391f6b0753decaf61ab07f1b07a86692081d451b746a544aad1fdb65

62 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large 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 distribution mechanism for potentially malicious content. The document body itself is heavily obfuscated and contains references to the URLs, but does not provide direct user-facing lures.

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://hall-elopement.rominastiebenphotography.com/uploads/1/3/0/8/130874305/130874305.html#transistor+bipolar+bjt+como+amplificador
- http://bullyheadobedience.com/uploads/1/3/1/0/131070147/gaxiza_xeserar.pdf
- http://inspirationalaustralianwoman.com/uploads/1/3/0/7/130740292/9701376.pdf
- http://esayouthsports.com/uploads/1/3/0/5/130539497/patifawurif-ragipesanak-dojen-riwojora.pdf
- http://bayourosehomestead.com/uploads/1/3/0/7/130775935/zilubizuviv_pifuxunenineja.pdf
- http://mvhsphotography.com/uploads/1/3/0/6/130620730/8482829.pdf
- http://life987.com/uploads/1/3/0/7/130775371/jipipum.pdf
- http://nedtech.net/uploads/1/3/0/9/130969706/botinizitedir-tinezolumol.pdf
- http://freedommountainfestival.com/uploads/1/3/0/6/130620731/782292.pdf
- http://devineglam.com/uploads/1/3/0/6/130621362/nadipebo.pdf
- http://www.flightacademysdw.org/uploads/1/3/0/5/130590200/jegajipikule_pupotoximi_jafeleropefomag_pejez.pdf
- http://msdixonart.com/uploads/1/3/0/6/130605504/kazer.pdf
- http://freerangeme.net/uploads/1/3/1/3/131380087/29c12a.pdf
- http://aptowners.insure/uploads/1/3/0/5/130590195/xabedotewu.pdf
- http://bjpartyrentals.com/uploads/1/3/0/7/130775606/duxibevumabi.pdf
- http://pan-education.com/uploads/1/3/0/7/130739519/7cb9ee8e47295.pdf
- http://theconnectionsacademy.net/uploads/1/3/1/4/131409098/8b6600676e98.pdf
- http://lrdconsulting.biz/uploads/1/3/0/2/130287261/bd70e.pdf
- http://westerfund.org/uploads/1/3/0/2/130270859/jaxuzafuzax_nigolelozuboje_lowofaxogodawi.pdf
- http://projectscratchthat.com/uploads/1/3/0/4/130483728/8149030.pdf
- http://dakotaashleymarie.com/uploads/1/3/0/8/130813849/2831023.pdf
- http://klikbooth.com/uploads/1/3/0/5/130589286/fad0a.pdf
- http://tamayosapparel.com/uploads/1/3/0/3/130379051/4ccf1421db7.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.

Filename	Kind	Source	Size
`font_00_sfnt_off000072d3.bin` `87bfa7d2282c5ddf1b3c77312e0b36259d19856d6bd59509455178042af1e0bc`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x72D3	8240 bytes
`font_01_sfnt_off000090d3.bin` `6dc6e07f93ae70488a19e8a398a1c6cda2f5723fc3d3cbe180c5afbb10c3611e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x90D3	2864 bytes

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