Malicious PDF — malware analysis report

Static analysis result for SHA-256 97fc0e711f35c545…

MALICIOUS

PDF

46.8 KB Created: 2020-08-07 01:44:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 159065f95e706546c8758aff9e382185 SHA-1: f99eca8c51d4426911907ab1e2ba36ca4bd9c724 SHA-256: 97fc0e711f35c54557481ff31652362572fb8dfcefbd19e0ed61ac5f8d0f3425
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=sql+server+interview+questions+for+experienced+professionals+pdf'. This URL is presented within the document body, disguised as a link to SQL server interview questions. The ML classifier also strongly flagged this PDF as malicious. The file is likely a lure to redirect users to malicious infrastructure.

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=sql+server+interview+questions+for+experienced+professionals+pdf In PDF document text
    • http://files.kopou.org/uploads/1/3/1/3/131381288/nidaza_timagajeti_xemaxufu_serikoje.pdfIn PDF document text
    • http://files.migrants.scot/uploads/1/3/1/3/131379552/pekowumefito-matuvawisediza.pdfIn PDF document text
    • http://files.rncheadquarters.com/uploads/1/3/2/3/132303353/47fd640.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/1/0431/7780/3931/files/tutumaragujajara.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/giratajolexodomofavewolov.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6137/1290/files/jenn_air_refrigerator_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3019/9966/files/16598230351.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6970/1280/files/motixutotutebasafuli.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9612/1252/files/asmaul_husna_in_malayalam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4174/3263/files/48817324527.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4274/3207/files/dojavifuviloxuv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2641/4748/files/26919352476.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5768/4375/files/46060158806.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5436/6877/files/42092917677.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3127/3365/files/11296253339.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4112/8601/files/68561486221.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_off00007763.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7763 5600 bytes
SHA-256: 5e59c0353cff046145d95b50951cb5c13c4628ac430bdbf1881ace0f40bcfb9b
font_01_sfnt_off00008a9c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8A9C 10356 bytes
SHA-256: ddf25631914222bded19661eada3bceb0024832878d8512511b16d732ad0802a

Open this report in the interactive analyzer, or submit your own file for analysis.