Malicious PDF — malware analysis report

Static analysis result for SHA-256 2d2de332e5bfc17a…

MALICIOUS

PDF

79.7 KB Created: 2021-02-06 14:45:44 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 0a5c9c565fd472c98e919ff0e01419af SHA-1: 844c3f0e65b957d6ec9a88444a9f6fd51cd24362 SHA-256: 2d2de332e5bfc17a87ff9e1445d9f3fa278f472126348112dcb2af2e643b3ca0
196 Risk Score

Malware Insights

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

The PDF contains a large number of external links, many of which point to SEO redirectors designed to phish users or distribute malware. The heuristic PDF_SEO_LINK_FARM and PDF_SEO_UTM_REDIRECTOR_LINK indicate a malicious intent to redirect users to potentially harmful sites. The ML classifier and ClamAV detection further support the malicious nature of this file.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://druttle.ru/aws?utm_term=barbie+girl+wallpaper PDF link annotation
    • https://jomibijavajele.weebly.com/uploads/1/3/1/4/131409275/kavidiwezopegup.pdfIn PDF document text
    • https://bowalizixoled.weebly.com/uploads/1/3/1/8/131872289/taralaguteruwenu.pdfIn PDF document text
    • https://basupetuwesaf.weebly.com/uploads/1/3/0/7/130739706/bopej.pdfIn PDF document text
    • https://cdn.sqhk.co/kelopifagisu/hfie7YZ/dujumipejadafixut.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/zetituri/step_down_transformer_calculator.pdfIn PDF document text
    • https://s3.amazonaws.com/varoximu/1245174158.pdfIn PDF document text
    • https://s3.amazonaws.com/kikunojulejuj/8162202175.pdfIn PDF document text
    • https://s3.amazonaws.com/fowikorejodi/lumivitufi.pdfIn PDF document text
    • https://s3.amazonaws.com/fuwawibu/abstract_noun_formation_exercises.pdfIn PDF document text
    • https://s3.amazonaws.com/kigavanus/40391228163.pdfIn PDF document text
    • https://s3.amazonaws.com/dipafuxe/tawudujipixadofepupofaj.pdfIn PDF document text
    • https://s3.amazonaws.com/tabobujimo/7374594398.pdfIn PDF document text
    • https://s3.amazonaws.com/jajoxulabojaso/87341782126.pdfIn PDF document text
    • https://s3.amazonaws.com/zifozujiwi/format_bannire_facebook_2019.pdfIn PDF document text
    • https://s3.amazonaws.com/jevelel/chaotic_neutral_chart_template.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
    • https://savannah.gnu.org/projects/freefont/In PDF document text
    • http://www.gnu.org/licenses/In PDF document text
    • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d56c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD56C 5088 bytes
SHA-256: 34f39472676254c9fc7f19f1a67d2f134d685ef36a0708df45d2231ae4174a0b
font_01_sfnt_off0000e6e1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE6E1 10840 bytes
SHA-256: a3356859f618842debe242d38c80b6041074e004e86a8e3d631e733e381bd2a7
font_02_sfnt_off00010bf3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10BF3 16204 bytes
SHA-256: 514ec34c774379c82780ce3b826aceada3291152a2a4734d997485cf707bbc49
font_03_sfnt_off0001213f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1213F 6068 bytes
SHA-256: 4b45f33c909d1de4119f908b2e4eeec8b51571bcf8b126b8fe9c8b95bec6d9c2

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