Malicious PDF — malware analysis report

Static analysis result for SHA-256 d94885ce398eaf07…

MALICIOUS

PDF

50.4 KB Authoring application: Nitro PDF
MD5: 535ca34fae089174847c2ef172dfd802 SHA-1: 0ce70b5874bf9e31dffa63627bdf0e372a625ff2 SHA-256: d94885ce398eaf07451d863ac722d3543ce5b011ed9f9c9426aa78f230c5bb0f
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, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or redirection to malicious sites. The ClamAV detection also flags it as phishing-related. The document body contains fragmented text and embedded URLs, reinforcing the malicious intent of directing users to external resources.

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
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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://cruxportal.com/uploads/1/3/0/4/130435661/6326282.pdf
    • http://bhpcd.org/uploads/1/3/0/6/130620940/genogowunija.pdf
    • http://mrsdawson-classroom.com/uploads/1/3/0/6/130604576/jobinuja.pdf
    • http://fabezeri.rttelekom.info/uploads/2020/01/29/fakevalog_seturebidugu_ruladiloza.pdf
    • http://northerncoloradofarrier.com/uploads/1/3/0/3/130379314/0accf96b0f0.pdf
    • http://acupuncturehilohawaii.com/uploads/1/3/0/6/130640046/b339e7ed5f0a3.pdf
    • http://24shhopp03.fun/uploads/2020/01/28/vabogu.pdf
    • http://doorado.net/uploads/1/3/0/2/130270887/9011494.pdf
    • http://dazzlingweddingsandevents.com/uploads/1/3/0/5/130551072/3ac62bab647.pdf
    • http://bato.iyfootball.com/uploads/2020/01/29/dobope.pdf
    • http://bambusaglobal.com/uploads/1/3/0/2/130289244/roxaxivida.pdf
    • http://seanaudleylaw.com/uploads/1/3/0/3/130313426/7453390.pdf
    • http://newstylemarket.com/uploads/1/3/0/3/130323469/130323469.html#gametes+are+formed+by+the+process+of

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001328.bin
bcfb27cafef686fb2539a1b4c075dc2ec440884458d85293bca3bc7186866a6a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1328 8384 bytes
font_01_sfnt_off0000720f.bin
dc834dbdbd635152bccb7398b77b2575b2f04eca55a9b439d4a6dd0eac4fa2bf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x720F 3624 bytes
font_02_sfnt_off00007de8.bin
cd03760ae2efae71d284882c13e353042869eba841d7a7b62880493463786c54		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7DE8 16260 bytes

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