Malicious PDF — malware analysis report

Static analysis result for SHA-256 ff146adb882d02b2…

MALICIOUS

PDF

30.7 KB Authoring application: SWFTools First seen: 2020-07-24
MD5: bff92cca81c5f62df8b0fda4c986de19 SHA-1: 0a54decc5dec57a6970b67a17be4fe770a4c6388 SHA-256: ff146adb882d02b29fb13d3f4b45b7da7e2112823b6bc4a696acce7b44883d06
152 Risk Score

Malware Insights

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

The PDF file was flagged by ClamAV as Pdf.Phishing.TtraffRobotInstall-7605656-0 and a machine learning classifier with high confidence. The heuristic PDF_SEO_LINK_FARM indicates the presence of a large number of external links within the document, pointing to various domains. These links are likely intended to redirect users to malicious or spam content, or to manipulate search engine results. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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.
  • 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://mariannewardart.com/uploads/1/3/0/2/130270893/xukopusugur.pdf In PDF document text
    • http://thetimebetweenis.org/uploads/1/3/0/6/130622022/dusofijijaxod.pdfIn PDF document text
    • https://garumaxemev.weebly.com/uploads/1/3/0/4/130476598/sedilubijezi.pdfIn PDF document text
    • http://sibek.womens-news.ru/uploads/2020/01/28/3024186.pdfIn PDF document text
    • http://findlove.fun/uploads/2020/01/27/575520.pdfIn PDF document text
    • http://dunizomase.chemicalstorage.ru/uploads/2020/01/27/8738352.pdfIn PDF document text
    • http://knitvegan.com/uploads/1/3/0/3/130379287/9814540.pdfIn PDF document text
    • https://gozidawesa.weebly.com/uploads/1/3/0/2/130287307/ef524c45a.pdfIn PDF document text
    • http://netezixud.rybalkavideo.info/uploads/2020/01/28/691e36b.pdfIn PDF document text
    • http://support-account.net/uploads/2020/01/28/15561581553a9.pdfIn PDF document text
    • http://aa23vv.top/uploads/2020/01/27/9386366.pdfIn PDF document text
    • http://club8inch.com/uploads/1/3/0/6/130620793/2758905.pdfIn PDF document text
    • http://academia-garmonii.ru:80/uploads/2020/01/29/rixoni.pdfIn PDF document text
    • http://mojamaxob.olegdfr.fr/uploads/2020/01/28/novukomef.pdfIn PDF document text
    • http://printalluk.com/uploads/1/3/0/5/130551777/towutedenema.pdfIn PDF document text
    • http://kel.acupofh2o.net/uploads/2020/01/28/1956590.pdfIn PDF document text
    • http://sztvmedia.com/uploads/1/3/0/5/130588257/5439185.pdfIn PDF document text
    • http://vspdrfactordrlang.com/uploads/1/3/0/5/130540296/563aae125838.pdfIn PDF document text
    • http://kcbrewandcchew.com/uploads/1/3/0/4/130490378/jotajanapoje.pdfIn PDF document text
    • http://rightwordsediting.com/uploads/1/3/0/4/130488332/dojimadugusap.pdfIn PDF document text
    • http://planettammy.com/uploads/1/3/0/6/130605258/e0b7f041c09f44b.pdfIn PDF document text
    • http://opros-russia.online/uploads/2020/01/28/68f1c4c2.pdfIn PDF document text
    • http://oxyshooter.com/uploads/1/3/0/3/130379332/130379332.html#limits+of+accuracy+corbettmaths+answersIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000155b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x155B 6556 bytes
SHA-256: dd5da012da004a1539cb338bcf1f8603306ba17fc069ac70a7fb26520e176970