Malicious PDF — malware analysis report

Static analysis result for SHA-256 7269018f75ebf6d7…

MALICIOUS

PDF

41.5 KB Created: 2020-08-10 05:59:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b8c53a0d91dcc149cdea12a0427c149e SHA-1: 82c0421babb847d2bf17d69797af8c84ecd09761 SHA-256: 7269018f75ebf6d77ae90bb1228af6c5b88ea08bbfa1b760a46ca2d02c8af64d
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous links designed to create an SEO link farm, redirecting users through a malicious domain. The primary redirector URL is https://ttraff.com/pify?keyword=automatic+door+opening+system+using+arduino+pdf, which is flagged as malicious. This indicates a phishing or scam attempt disguised as a document download. No scripts were extracted, but the heuristic firings strongly suggest a malicious redirection scheme.

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.com/pify?keyword=automatic+door+opening+system+using+arduino+pdf In PDF document text
    • http://files.mylittlebugs.org/uploads/1/3/2/7/132740598/nalokegakomew.pdfIn PDF document text
    • http://files.drinkgreatteamarketplace.com/uploads/1/3/2/6/132681812/4642595.pdfIn PDF document text
    • http://files.goldenretrieversofidaho.com/uploads/1/3/1/1/131163734/bopizegovuxuj.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/1/0427/6686/0455/files/xajuxikisi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9090/2166/files/fojowewukonanetozuf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4525/6352/files/google_cardboard_blueprint.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0454/7520/1182/files/molecular_genetics_book_free_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4757/4949/files/xxv_roman_numerals.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5269/3669/files/veruporejovuwatidajaleg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8451/3440/files/wepunip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3806/5308/files/36294924240.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0427/1524/files/73410340769.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/91960476686.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8421/8532/files/53788135860.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 5

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_off00006355.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6355 5536 bytes
SHA-256: 67ff4723e6b8347323874e921f884182d8df6d0125c46dd2bd0dd8e1f37b91f1
font_01_sfnt_off00007618.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7618 10028 bytes
SHA-256: d84853b30c99fefb794d80d4d2ae5448afb963d423e53e4750cd60b4be8a5b64

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