Malicious PDF — malware analysis report

Static analysis result for SHA-256 42ebbd6bd71830da…

MALICIOUS

PDF

39.7 KB Created: 2020-08-08 13:45:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 2c580e435d04b884a65b474996a44e40 SHA-1: 5e99ce848ecd636faff3571510bbd84d0c90d277 SHA-256: 42ebbd6bd71830da6e55c8144cc60852b205b73cf24f75e7bed6ac22b33558d9
234 Risk Score

Malware Insights

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

The PDF contains numerous links to redirector infrastructure, specifically `https://ttraff.cc/pify?keyword=download+aadhaar+card+pdf+format`, which is associated with SEO link farms and credential phishing lures. The document body text and embedded links suggest an attempt to trick users into downloading a fake document, likely to harvest credentials or deliver a secondary payload. The ML classifier strongly supports the malicious verdict.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • 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.
  • MFA / one-time-code harvesting lure high SE_MFA_LURE
    Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
  • 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://ttraff.cc/pify?keyword=download+aadhaar+card+pdf+format In PDF document text
    • http://files.ousddata.org/uploads/1/3/1/8/131857305/e2f9b3.pdfIn PDF document text
    • http://files.jacquelineschiffer.com/uploads/1/3/0/9/130969939/noguw.pdfIn PDF document text
    • http://files.roundtuitkitchen.com/uploads/1/3/1/4/131438193/fegegafu_tatuzipakatu_gegurotusebi.pdfIn PDF document text
    • http://files.frecklefaceboutiques.com/uploads/1/3/0/7/130739457/nezutoxewaroxe-kirisim.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3304/2839/files/47291751122.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8370/3206/files/luvutalanopijomakel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5338/3833/files/getelodoladabogenowobepun.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6191/1458/files/makusowediratadolexi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3135/5807/files/yuri_lowell_artes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7369/1045/files/common_media_queries.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/3874/2430/files/64995339205.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5937/9357/files/chairperson_duties.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2562/0374/files/9076311907.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0521/3847/files/92923818108.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
🗂 Part of campaign: jacquelineschiffer.com 4 samples

Related samples 6

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_off00005dd3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5DD3 5308 bytes
SHA-256: e7f7939c1b5d51afaff77e9865010edb121ad50f1e78033553593da9fabc13a9
font_01_sfnt_off00006fd5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6FD5 10076 bytes
SHA-256: 9526899bfa0c65683ab259546c0cc62f8291251a0d4ea780d781908ed859dd69

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