Malicious PDF — malware analysis report

Static analysis result for SHA-256 14323557eb3866f4…

MALICIOUS

PDF

40.7 KB Created: 2020-10-26 15:05:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6fc740c6a65f15ec138f2ed40193670e SHA-1: 48182134f7a7c3a96f869c7127cd57d168e622dd SHA-256: 14323557eb3866f44bc57d30aadc84ac719d25ac3466a6a2aa5a338076be0946
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains embedded links that redirect to malicious infrastructure, specifically identified by the 'PDF_MALICIOUS_REDIRECTOR_LINK' heuristic. The document body text and embedded URLs suggest a lure for downloading cracked software, which is a common tactic for distributing malware. The primary malicious URL identified is https://cctraff.ru/strik?keyword=netcut+pro+apk+cracked.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9953

Heuristics 2

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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://cctraff.ru/strik?keyword=netcut+pro+apk+cracked
    • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/3409757.pdf
    • https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/5140694.pdf
    • https://zevodajiwagadiz.weebly.com/uploads/1/3/4/3/134340874/linojugixusufu-zodekaz-kuzorebitej-nezuduruw.pdf
    • https://wibugosavuzatug.weebly.com/uploads/1/3/4/3/134349607/7567144f7b3f856.pdf
    • https://gamupizesusaza.weebly.com/uploads/1/3/1/3/131398140/wuzave.pdf
    • https://nubojubixuxo.weebly.com/uploads/1/3/1/4/131410311/domeduge-zanamutugonef.pdf
    • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/govorikepudago-gixidawele-wawep-xoxebilepadevu.pdf
    • https://kusebedanosude.weebly.com/uploads/1/3/1/1/131163667/pifupexefifokepefut.pdf
    • https://sixodajumam.weebly.com/uploads/1/3/4/3/134311071/nedeguw.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/henghuili-files/6634848264.pdf
    • https://s3.amazonaws.com/subud/tomb_of_annihilation_trove.pdf
    • https://uploads.strikinglycdn.com/files/1dc37ae1-5f6b-45db-8d22-623f9b85f6cc/nijotiki.pdf
    • https://uploads.strikinglycdn.com/files/7787ec09-852f-45be-9385-867edf3d2a88/kezexerijovizefub.pdf
    • https://uploads.strikinglycdn.com/files/3c015740-eb3b-4ff0-a06c-157265beb181/65149899342.pdf
    • https://uploads.strikinglycdn.com/files/6fe8bc35-fb28-4a5b-a8fc-0cadf655799d/xizologajuzuxopefur.pdf
    • https://uploads.strikinglycdn.com/files/2a34a2fb-77f0-42e7-99e5-51940f9f0904/3016989344.pdf
    • https://s3.amazonaws.com/fatikonavori/91551574020.pdf
    • https://s3.amazonaws.com/fokapikow/muturidezibijug.pdf
    • https://s3.amazonaws.com/pazifetanegapu/58149691873.pdf
    • https://s3.amazonaws.com/bulikowexunepov/3030456576.pdf
    • https://uploads.strikinglycdn.com/files/90308b84-ca79-4ffd-b45d-d56c3e52d027/pokemon_giratina_strikes_back_hm_locations.pdf
    • https://uploads.strikinglycdn.com/files/9f7b1c58-261e-4bcc-b220-3adb847f8daf/jawizozejirakumojojo.pdf
    • http://scripts.sil.org/OFL

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006838.bin
964166a2639bb4b13428d0f7fe7ccf791284298a5ae294c1987c8b43c57ae736
pdf-font-stream PDF embedded font (sfnt) at offset 0x6838 4892 bytes
font_01_sfnt_off000078e5.bin
d88acef2f1503c2d36a8ed78cd414078dcf73965ef7014107e14dc134918970d
pdf-font-stream PDF embedded font (sfnt) at offset 0x78E5 1736 bytes
font_02_sfnt_off0000816b.bin
96482881121e3e17aa37811935af95397f9ffd588b73650d8ff864895ddf7dca
pdf-font-stream PDF embedded font (sfnt) at offset 0x816B 11164 bytes