Malicious PDF — malware analysis report

Static analysis result for SHA-256 ff6f0fb77a088842…

MALICIOUS

PDF

46.6 KB Authoring application: LibreOffice Draw First seen: 2020-08-10
MD5: 4495bbfe0f515a67d22e4896c071cb5f SHA-1: 45454bd5c6b48a4cb471d062db89113f91fd711f SHA-256: ff6f0fb77a088842dd118bf625c6da966ebdf5f38c933c18c48f3f399132624c
120 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, as indicated 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 ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports the malicious nature of this document.

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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.
  • 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://dirtylittleclaws.com/uploads/1/3/0/3/130323384/ditowibirag.pdf
    • http://centralpennpaving.com/uploads/1/3/0/6/130604549/9177744.pdf
    • http://bayareabackdoc.com/uploads/1/3/0/6/130605179/falaburisedenikudono.pdf
    • http://buyboxblog.com/uploads/1/3/0/6/130604636/vofulifomizomav.pdf
    • http://jejazag.kuhni-msc01.icu/uploads/2020/01/27/dff0a.pdf
    • http://nannypatrol.net/uploads/1/3/0/4/130483551/jasebijo.pdf
    • https://janunerumatuw.weebly.com/uploads/1/3/0/2/130273846/6cd403e739.pdf
    • http://nitegeka.myshop15.site/uploads/2020/01/28/degusu_guzidimemer_mozelapolojuf_zoxoxafejamomol.pdf
    • http://lovefoundationproject.com/uploads/1/3/0/6/130621819/7a21476a.pdf
    • http://mpbadges.net/uploads/1/3/0/4/130483872/pemovudeg_xavodulu.pdf
    • http://xemadi.sputnikbaikal.ru/uploads/2020/01/29/kuwobuzonoxufom_waxutop_lolukaz_valudetetoj.pdf
    • http://krakauertaggmusic.com/uploads/1/3/0/5/130588847/fuvemorurijenan_timumekeg.pdf
    • http://xiz.1331.wtf/uploads/2020/01/28/wutoboxidegogovuvej.pdf
    • http://polychromatiks.com/uploads/1/3/0/6/130604045/gitojeku_xumuxar_zapufokurager_dekolagag.pdf
    • http://nunuwu.eltarrodeheno.com/uploads/2020/01/29/nonapanop.pdf
    • http://mobilemechanicedinburgh.com/uploads/1/3/0/5/130590373/xasewupi.pdf
    • http://my-mindful-mind.com/uploads/1/3/0/5/130588921/buvesarodel.pdf
    • http://carmendaughertyphotography.com/uploads/1/3/0/6/130620150/rudixulatev.pdf
    • http://triamantdigital.com/uploads/1/3/0/6/130639534/tokaba-wefavus-vezupoxi-laxewotuzax.pdf
    • http://daradee.com/uploads/1/3/0/4/130490019/f44bd5ee.pdf
    • http://sugarmaplecharcoal.com/uploads/1/3/0/2/130271103/7b9063a2.pdf
    • http://anatoly-nikolsky.com/uploads/1/3/0/6/130605244/juxavaguzalasuf-sewode-fokimenu.pdf
    • http://visitoz.org/uploads/1/3/0/5/130588145/130588145.html#aviva+pension+fund+performance+last+10+years

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000017e2.bin
b7af4fde8c5e9e194330b7cd72ec0ca0679bc1c00bd27050b45b9170af279eba		 pdf-font-stream PDF embedded font (sfnt) at offset 0x17E2 9648 bytes

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