Malicious PDF — malware analysis report

Static analysis result for SHA-256 7e61cbdffd93e3d1…

MALICIOUS

PDF

42.4 KB Created: 2020-08-11 18:27:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3a9030d6c90e538997c03c4726a17d78 SHA-1: 9a7bc8e92e8007fd722305af3f22387ab1a81f69 SHA-256: 7e61cbdffd93e3d1df6836ae10f0744ff6c32d347e863548804e6b3fba3872a3
194 Risk Score

Malware Insights

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

The PDF contains a link that redirects to a malicious URL, identified by the 'PDF_MALICIOUS_REDIRECTOR_LINK' heuristic. It also features a link farm, suggesting an attempt to manipulate search engine results for phishing. The document body, though heavily obfuscated, contains the URL that is also present in the heuristics, indicating a clear redirection attempt to a potentially harmful site.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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.
  • 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=annalakshmi+restaurant+menu+pdf In PDF document text
    • http://files.homegrownpets.com/uploads/1/3/1/4/131437333/gitedufoxeximimipede.pdfIn PDF document text
    • http://files.dript.org/uploads/1/3/1/3/131379439/97f2cb6ece34.pdfIn PDF document text
    • http://files.thewrittenremains.com/uploads/1/3/0/7/130775649/ffbd5f1be.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/1/0430/5253/1869/files/rubirekidelaf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8286/6083/files/75713902926.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9508/9559/files/wewumegiri.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6528/6566/files/ziwoxawobofetuwig.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0734/3772/files/metro_line_map_delhi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9927/3896/files/xetaviv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0940/1251/files/26203369087.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7383/1073/files/ainsi_parlait_zarathoustra_partition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0811/4340/files/busomokoruwarajiradu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7485/3793/files/4597661174.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 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_off000068ee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x68EE 5336 bytes
SHA-256: 6b04b216e9bd57c20bae46e64757f7fb1f128b7c2e492c68c940f365074fa89e
font_01_sfnt_off00007ae1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7AE1 9840 bytes
SHA-256: dd68a0dfd158d9c642e5447c430d285e73dca5bf2b4a64dc4db0424562f64286

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