Malicious PDF — malware analysis report

Static analysis result for SHA-256 ae96c07db3b979f8…

MALICIOUS

PDF

40.1 KB Authoring application: PDFBox
MD5: 49efc94ce77a61b794e59adcc155ad2b SHA-1: c02c32f868e9998db7b0da557a55c7dabf8a59ff SHA-256: ae96c07db3b979f86788c18541c9ce0cb5171d8619b09d75bed0a86ff00a7e43
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file was detected as malicious by ClamAV with the signature Pdf.Phishing.TtraffRobotInstall-7605656-0. Static analysis revealed a large number of embedded external links, characteristic of a link farm or phishing lure. The document body, though partially corrupted, contains text related to pregnancy and includes several of the extracted URLs, suggesting a deceptive pretext for the link farm. No scripts were extracted from this sample.

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 https://xutujivo.weebly.com/uploads/1/3/0/3/130324357/8829475cf1.pdf
    • https://vedegidapuwo.weebly.com/uploads/1/3/0/3/130323180/gepetod.pdf
    • https://lizofejuxofej.weebly.com/uploads/1/3/0/4/130488227/6a3b44d2fe851.pdf
    • http://xajezi.firstcommonsense.com/uploads/2020/01/27/sagodosagixebusareji.pdf
    • http://rayoflightcounselling.com/uploads/1/3/0/2/130289426/bewonuvevabukoruxa.pdf
    • http://nonuwoti.hoyut.icu/uploads/2020/01/28/kogobo-raruwa.pdf
    • http://wobegexif.cityglush3.icu/uploads/2020/01/29/nutorepuwaz.pdf
    • http://unioresidences.com/uploads/1/3/0/4/130490056/6163789.pdf
    • http://cfthomas.com/uploads/1/3/0/6/130639972/130639972.html#bad+lower+backache+in+early+pregnancy

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011af.bin
05d748d835bcdc61eec3e2ad1c91584ea1ca530a03d7c513c0ecb150da5af81d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11AF 7948 bytes

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