Malicious PDF — malware analysis report

Static analysis result for SHA-256 d52afc7533d76534…

MALICIOUS

PDF

48.4 KB Authoring application: OpenOffice.org
MD5: 6d0ccb5ec7e6921507c70b0715cd02f4 SHA-1: 903cf56b45e7f29a22fbbd1de8ec24a37a3a6913 SHA-256: d52afc7533d76534334f6a325ff51cbf24bc2864f7b44aeed1221daf8d31c4fe
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to other PDF files, indicating a link farm or redirection scheme. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious intent, likely related to phishing or traffic generation. No scripts were extracted from this sample, and the document body was heavily obfuscated, making it difficult to determine the exact lure.

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://drlupita.com/uploads/1/3/0/5/130545537/kevaf-zasemevazadipig-levupabix.pdf
    • http://vandenbossracing.com/uploads/1/3/0/5/130550995/jubijagakax-faxijogejivofo-fotirazar-lirireridiruf.pdf
    • http://scrubscaffeineandchaos.com/uploads/1/3/0/5/130544702/8980144.pdf
    • http://dougzanderart.com/uploads/1/3/0/6/130620437/vetivexogixupunufeni.pdf
    • http://mikalsmountainco.com/uploads/1/3/0/3/130313098/mapebofix.pdf
    • http://divinedwelling.org/uploads/1/3/0/6/130639712/1796379.pdf
    • http://ortegaeng.com/uploads/1/3/0/2/130289224/4765953.pdf
    • http://greenearthteen.com/uploads/1/3/0/2/130289185/3b172a8.pdf
    • http://richfieldfoundation.org/uploads/1/3/0/5/130550741/6336912.pdf
    • http://hightowerinspections.com/uploads/1/3/0/5/130589452/tabatuvokovot.pdf
    • http://unbanporn.com/uploads/1/3/0/6/130621279/govorobanade.pdf
    • http://asiaoutdoors.com.vn/uploads/1/3/0/2/130272442/jimeviwupagajower.pdf
    • http://shawndgay.com/uploads/1/3/0/6/130604564/8710550.pdf
    • http://uicasda.net/uploads/1/3/0/5/130588954/c8a757932927a7.pdf
    • http://airrenovations.com/uploads/1/3/0/6/130621055/1314707.pdf
    • http://misbailes.com/uploads/1/3/0/8/130814284/130814284.html#hindu+and+buddhist+beliefs+on+reincarnation

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004b08.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4B08 16036 bytes
font_01_sfnt_off0000624e.bin
493f4a0a1c1c61b220ea19ac99eb947da614668c1f7584fe073c1499a896d300		 pdf-font-stream PDF embedded font (sfnt) at offset 0x624E 8248 bytes

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