Malicious PDF — malware analysis report

Static analysis result for SHA-256 fdd746843de087c8…

MALICIOUS

PDF

44.4 KB Authoring application: OpenOffice.org
MD5: d98c4be347c724d87114b41af5e44ab5 SHA-1: 6d03b16ecf346a14a91f6ac93049bc81ed00eb1e SHA-256: fdd746843de087c84b6cffecabc0e8b2e812959413827ff7b4563d1e75707c3b
128 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF documents, a technique commonly used for SEO poisoning and phishing. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious redirection intent. The document body also contains a call-to-action phrase, reinforcing the lure.

Heuristics 4

  • 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
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://pagangarden.com/uploads/1/3/0/5/130588954/985295.pdf
    • http://commerce-runningabusinessunit.com/uploads/1/3/0/6/130622013/luveb-taralamojupedu-gukisubabirag-sajezorozam.pdf
    • http://lafamiliaojeda.net/uploads/1/3/0/4/130435738/laxujanuba.pdf
    • http://mixbotanicals.com/uploads/1/3/0/5/130545087/fozedofuvox.pdf
    • http://rodipa.promalpkrd.ru/uploads/2020/01/28/965a9923ed.pdf
    • http://howtobeaweddingcoordinator.com/uploads/1/3/0/5/130544386/dibagajuseve_wibuxelu_rudom_xasaxoxugod.pdf
    • http://innerleithen.online/uploads/1/3/0/2/130271224/jasogazatifusuvive.pdf
    • http://stagcroatia.net/uploads/1/3/0/5/130551692/latanezakidur.pdf
    • http://djsacademy.com/uploads/1/3/0/3/130312950/130312950.html#acca+atx+december+2018+exam+date

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001254.bin
d7b368e1f7efa29ce8521e2c7ba1c8cfebc260d29b4915b0def9b4b9c1a85f9f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1254 8936 bytes
font_01_sfnt_off000073cb.bin
a2f0e64d6975656d959a0794b9a965349b6a87240c16eb122ddb64596f86590d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x73CB 1704 bytes

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