Malicious PDF — malware analysis report

Static analysis result for SHA-256 7bb919d67f3ed823…

MALICIOUS

PDF

79.3 KB Created: 2021-02-13 10:27:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-30
MD5: ad12d86ae69b463e788fe5f340cbbc02 SHA-1: 57e8089b37a086234907fbfcaf5e2890568ae141 SHA-256: 7bb919d67f3ed823dc05d1ab906b015804fe0ae5ac03660691a370e63c682286
96 Risk Score

Malware Insights

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

The PDF contains an embedded URI pointing to a suspicious domain, which is likely part of a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were extracted, the presence of the external URI suggests the document's purpose is to redirect the user to a malicious site, likely for credential harvesting or further payload delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://bologen.ru/wix?keyword=swtor+guardian+tank PDF link annotation
    • http://afracheat1.xyz/bangla_sad_shayari_video1eswe.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4419857/normal_5ffb0c4c8b65d.pdfIn PDF document text
    • https://cdn.sqhk.co/gewanunu/80gdkhh/fabulous_las_vegas_mystery_free_hidden_objects.pdfIn PDF document text
    • http://lakurix.22web.org/english_spelling_dictionary_software_free.pdfIn PDF document text
    • http://mirror-x.org/macbeth_multiple_choice_test0b5qw.pdfIn PDF document text
    • https://cdn.sqhk.co/dikulodut/gidgfic/nike_sports_bra_price_in_sri_lanka.pdfIn PDF document text
    • http://cyberghost.store/xmodgames_android_no_rootmbiz1.pdfIn PDF document text
    • https://cdn.sqhk.co/kojogitu/zShicpJ/94641406765.pdfIn PDF document text
    • http://twirlini.com/android_obd_app_freelkove.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/palevijuj/73961327146.pdfIn PDF document text
    • https://s3.amazonaws.com/tuletivotarupu/99376415261.pdfIn PDF document text
    • https://s3.amazonaws.com/pululusodogi/negezer.pdfIn PDF document text
    • https://s3.amazonaws.com/xeponodij/letefotodujew.pdfIn PDF document text
    • https://s3.amazonaws.com/rikolesafuwofar/xeduxifowufawobujedi.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000edc0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEDC0 4808 bytes
SHA-256: db36498332e894008d3c2dda021e96a9f77ce13d522e1de8e89b5fe2da176801
font_01_sfnt_off0000fe28.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFE28 10472 bytes
SHA-256: 7db267fbb4ae82d22cc0a808897110897fd433d6d4b1617a8f2435e8ffbae66c
font_02_sfnt_off000121f7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x121F7 4324 bytes
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c

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