Malicious PDF — malware analysis report

Static analysis result for SHA-256 7ad5182209697b32…

MALICIOUS

PDF

71.9 KB Created: 2021-03-07 19:22:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-16
MD5: a470f8ea64b3a65cafbfa45a052f8b07 SHA-1: dff8b1ae56dfb225ece1d13bafc8b95f1cdff3b0 SHA-256: 7ad5182209697b320f44849ec703c0b1174efb5d600160d7a4b25885b4ebd727
104 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The file is a PDF document flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains embedded URLs and a heuristic firing for a visual download button, indicating a social engineering lure to trick the user into downloading a payload. The presence of external URIs suggests it may attempt to download additional malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9956

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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://jumiwimov.ru/strik?utm_term=1-100+table+printable PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4456378/normal_6007479772367.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4450511/normal_5ff494b68839e.pdfIn PDF document text
    • https://fumitalabojaluk.weebly.com/uploads/1/3/5/3/135399187/b86fc1e3936e8b.pdfIn PDF document text
    • http://anarchymedya.com/14029070249cag4n.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4381291/normal_602c7a1195fb8.pdfIn PDF document text
    • https://sadupomojafex.weebly.com/uploads/1/3/0/7/130776775/xonuzabol.pdfIn PDF document text
    • http://testertumentum.space/beethoven_sonata_in_f_minor_harmonic_analysisggid4.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4483388/normal_6040570e587dc.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4460688/normal_5fc7cffc44a7f.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4462986/normal_5ff0375432a21.pdfIn PDF document text
    • http://itnegozio.info/984150892880tspj.pdfIn PDF document text
    • https://mirajaxudedina.weebly.com/uploads/1/3/0/7/130775596/jotatuxaxukuli.pdfIn PDF document text
    • http://pomirkapa.site/mgma_podiatry_salary_202050ce4.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4487197/normal_5fefcd8b19668.pdfIn PDF document text
    • http://xekedofaki.iblogger.org/baby_girl_shoes_size_4_walmart.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4497348/normal_601f1ec9174f8.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4368240/normal_5fe2daad5494f.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4408195/normal_5ff615827febd.pdfIn PDF document text
    • https://selokifasafu.weebly.com/uploads/1/3/4/3/134383977/wemib_jobirenivej_siwukamijej.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://nusaruzedawuw.rf.gd/60021919522.pdfIn PDF document text
    • http://kavolimuteso.epizy.com/vcds_full_version_free.pdfIn PDF document text
    • http://pamegapag.epizy.com/how_many_carbs_taco_bell_power_bowl.pdfIn PDF document text
    • http://wijopimitiraze.epizy.com/xufimilimeselewo.pdfIn PDF document text
    • http://refowokewip.rf.gd/95560506323.pdfIn PDF document text
    • http://wosolebaxuwutux.rf.gd/12832041244.pdfIn PDF document text
    • http://domumulavonevef.rf.gd/talazanujawifitekataw.pdfIn PDF document text
    • http://jexititojule.rf.gd/hp_2530-_8g-_poe_switch_j9774a_datasheet.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ddce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDDCE 4904 bytes
SHA-256: 95d0f6a20d5e1bb6e20bbe11c7a84697f15ce65fc7edb15ba6d77e5e100e2137
font_01_sfnt_off0000ee8a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE8A 10724 bytes
SHA-256: 3e28d609b001959b0e34117e6d65fe4441cc2c0141194077e2f0cdb968ccc9d3

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