Malicious PDF — malware analysis report

Static analysis result for SHA-256 845012b9dc44e11c…

MALICIOUS

PDF

39.5 KB Authoring application: Smallpdf Desktop First seen: 2026-05-09
MD5: bec5d445f17886ddc171ae9ecdf2a594 SHA-1: 5ef60e12594b6422d5cbecfb916371bbfbd863d0 SHA-256: 845012b9dc44e11c76376fc777ea1f2b3c4b2f5f6e668f0cd792fa55f57ff0bf
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of external links, many of which point to other PDF files, suggesting a link farm for SEO or malicious redirection. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution. The document body, despite being heavily corrupted, mentions 'Smallpdf Desktop Affidavit letter for immigration marriage template', indicating a lure to download further malicious content.

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://craftandcorkkitchen.com/uploads/1/3/0/7/130776516/f5720583.pdf In PDF document text
    • http://esa16.bpmtc.com/uploads/1/3/0/3/130324119/727af1ae8e9f.pdfIn PDF document text
    • http://sittingwarrior.com/uploads/1/3/0/5/130589420/tafuser.pdfIn PDF document text
    • http://theaanh.com/uploads/1/3/0/2/130288602/3668228.pdfIn PDF document text
    • http://dreamamazingtravel.com/uploads/1/3/0/7/130738909/c1013e86.pdfIn PDF document text
    • http://nelliejelly.com/uploads/1/3/0/4/130476322/7158796.pdfIn PDF document text
    • http://dubairhythmicgymnastics.com/uploads/1/3/0/5/130588531/dapefezarenimadidu.pdfIn PDF document text
    • http://fantasmador.com/uploads/1/3/0/4/130476205/volenumow.pdfIn PDF document text
    • http://briaclee.com/uploads/1/3/0/7/130739696/welimewuvuwelokog.pdfIn PDF document text
    • http://respond2gracefoundation.net/uploads/1/3/0/2/130272083/5820437.pdfIn PDF document text
    • http://aldf.ca/uploads/1/3/0/5/130588942/mugefuvinuxofi.pdfIn PDF document text
    • http://www.zafarsteel.com/uploads/1/3/0/5/130588278/wukawo_famosogilov_zuzutixozujin_zudololegiki.pdfIn PDF document text
    • http://rajaampatdiveguide.com/uploads/1/3/0/5/130588564/punifogeradazuboxeso.pdfIn PDF document text
    • http://crispandsmooth.com/uploads/1/3/0/4/130476168/fazozoriponajatuveri.pdfIn PDF document text
    • http://noplacelikeahome.com/uploads/1/3/0/8/130814360/kenumukatugufav.pdfIn PDF document text
    • http://norcalsquirrels.com/uploads/1/3/0/7/130740387/gevezerujafomi.pdfIn PDF document text
    • http://thosjazz.com/uploads/1/3/0/5/130544385/69fce81d3a47b.pdfIn PDF document text
    • http://bellecreekresources.net/uploads/1/3/0/2/130289457/vekuwaja.pdfIn PDF document text
    • http://ninjaproxies.org/uploads/1/3/0/2/130289310/6f6a0127.pdfIn PDF document text
    • http://webdisk.stefanaarnio.com/uploads/1/3/0/6/130604013/130604013.html#affidavit+letter+for+immigration+marriage+templateIn PDF document text

Related samples 5

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003d8b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3D8B 7416 bytes
SHA-256: 7cb46453b0f29eb012811354a8330af4f183c6cd932ec407a767dfa8e56dcbca

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