Malicious PDF — malware analysis report

Static analysis result for SHA-256 d75aee161adb48bf…

MALICIOUS

PDF

39.0 KB Authoring application: pstoedit
MD5: b930b66b28a0c5dfc60cbb8f102cd716 SHA-1: ebd68a34684bcc566f0cc8d73f338cd705a64e6c SHA-256: d75aee161adb48bfe582e0acb0c027e75be84540069393498b61deb943644646
150 Risk Score

Malware Insights

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

This PDF file was flagged by multiple detection engines, including ClamAV, as malicious. The primary heuristic indicates a 'PDF_SEO_LINK_FARM' with 22 external PDF links, predominantly hosted on domains structured for SEO. The embedded URLs point to numerous PDF files, suggesting a campaign focused on link farming or distributing further malicious content. The document body contains garbled text and some recognizable phrases related to religious text, but the core malicious activity appears to be the extensive list of external links.

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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://siddhavedalineage.com/uploads/1/3/0/4/130479210/venovefunusel.pdf
    • http://www.ozworsolutionsbullion.com/uploads/1/3/0/6/130639934/801106.pdf
    • http://shadyhillskennel.com/uploads/1/3/0/7/130739879/9993368.pdf
    • http://midwaytacticalgear.com/uploads/1/3/0/2/130271224/6040524.pdf
    • http://weavingofwomen.com/uploads/1/3/0/6/130639077/zifinefubaral.pdf
    • http://vivianmaier.net/uploads/1/3/0/5/130551661/f8dab34c9d4.pdf
    • http://an-art.nl/uploads/1/3/0/7/130739980/napaxuvigotiluxumege.pdf
    • http://revivabaths.net/uploads/1/3/0/5/130551247/sunozibinurererofe.pdf
    • http://americanshomer.com/uploads/1/3/0/6/130604013/7250650.pdf
    • http://www.testing.ewisely.org/uploads/1/3/0/5/130588601/ruzig_semonulelepe.pdf
    • http://omnicamlab.com/uploads/1/3/0/6/130605420/topudup_dabagilug_vefuxiduxiw_motujedukit.pdf
    • http://www.camerastuffilike.com/uploads/1/3/0/4/130488773/671483.pdf
    • http://www.tidyt.com.au/uploads/1/3/0/2/130289395/taxub.pdf
    • http://hostmaster.berkeleystartuphousing.org/uploads/1/3/0/7/130739489/zogakuvolekevo.pdf
    • http://convlva.com/uploads/1/3/0/5/130551141/tawed-sonofatefeser.pdf
    • http://nadinebrockel.de/uploads/1/3/0/8/130874475/fcfbcdf2379ed.pdf
    • http://ottawarealtypa.ca/uploads/1/3/0/7/130775529/5881ec33fc39b4b.pdf
    • http://4lifehealthwealth.com/uploads/1/3/0/2/130289670/8646275.pdf
    • http://accountinghoustontexas.com/uploads/1/3/0/6/130620712/5e5671e7702fc51.pdf
    • http://garoyeriazarian.com/uploads/1/3/0/6/130621000/pajiwaleko.pdf
    • http://obakosobotanica.org/uploads/1/3/0/6/130639865/863a374d45.pdf
    • http://nupelicanparty.org/uploads/1/3/0/8/130874329/zokovezenufaniwaxu.pdf
    • http://a1836163xstreamtravel.xsideas.com/uploads/1/3/0/2/130289702/130289702.html#surah+waqiah+arabic+text+with+urdu+translation

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000037b6.bin
be680d5b5f8ba52c6d3d7c933b6f29753da57cd13f1a77caacf89b64f0eadeca		 pdf-font-stream PDF embedded font (sfnt) at offset 0x37B6 7732 bytes

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