Malicious PDF — malware analysis report

Static analysis result for SHA-256 02f3df3a2bfc67b9…

MALICIOUS

PDF

43.5 KB Created: 2020-07-31 07:42:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d15f9c6a8f92dc83682301017a1897de SHA-1: a09e42c862e759f7fafd14f437f58fec1d931cc4 SHA-256: 02f3df3a2bfc67b975bf1208c9eb73764b14fb49aec8d5c81df53e39f008a4dd
234 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript T1203 Exploitation for Client Execution

The PDF contains heuristics indicating it's a malicious redirector and part of an SEO link farm, specifically designed to lure users with a fake 'new Aadhar card application form' lure. The embedded URL points to a known malicious redirector, suggesting the primary goal is to direct users to a potentially harmful site for phishing or other malicious activities. The ML classifier strongly supports the malicious nature of this PDF.

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.
  • Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
    Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
  • 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.com/pify?keyword=new+aadhar+card+application+form+download+pdf In PDF document text
    • http://files.triumvirateartists.com/uploads/1/3/2/7/132740214/8623413.pdfIn PDF document text
    • http://files.missautoknow.com/uploads/1/3/2/6/132681976/zexukus.pdfIn PDF document text
    • http://files.heartofillinoisorff.org/uploads/1/3/1/3/131379371/9586210.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/1/0428/3046/3142/files/pajofomupogozekewibava.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/46496449222.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9249/9877/files/46838019873.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0485/4426/files/vediwemedux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6955/4329/files/xoranaxamaxokevu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0350/1989/files/84592259603.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2409/7191/files/99598898870.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7342/8888/files/dukeworafexedisu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3027/3435/files/76839932954.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0582/1599/files/24841781599.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006e2a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E2A 5068 bytes
SHA-256: 04fda66b027f1be785d32794ea5d9698762064c3a9937cdf619a664aa157f8f3
font_01_sfnt_off00007f3b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F3B 9904 bytes
SHA-256: e15181a3a05d5abc4e196914f8f817b70d17a81933b947b6ed5a58548a2ccd98