Malicious PDF — malware analysis report

Static analysis result for SHA-256 e067815ec8568b5c…

MALICIOUS

PDF

42.3 KB Created: 2020-08-21 20:06:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6fb83e5f9b7398de24726d356e1c5bea SHA-1: 83a59228fd52ff3ded533fccb05349f805fc3fb4 SHA-256: e067815ec8568b5c63b864eb6a62feca06b58616f90fd38cd93a385024fe0926
194 Risk Score

Malware Insights

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

The PDF file contains multiple embedded links, with a critical heuristic identifying a link to a known malicious redirector at https://ttraff.com/pify?keyword=sql+developer+alter+session+set+nls_date_format. Another critical heuristic indicates a PDF link farm, suggesting an attempt to manipulate search engine results or distribute malicious content. The document body, though heavily obfuscated, contains the same malicious URL and a reference to SQL developer, likely a lure.

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=sql+developer+alter+session+set+nls_date_format In PDF document text
    • http://files.gumke.com/uploads/1/3/1/4/131437689/voxafes.pdfIn PDF document text
    • http://files.upwardfacinglife.com/uploads/1/3/1/4/131436971/velolerulamur_baxafijirun.pdfIn PDF document text
    • http://files.la-arts-district.com/uploads/1/3/0/9/130969471/936724.pdfIn PDF document text
    • http://biwuroko.riefcanada.com/uploads/1/3/0/7/130739561/dilusorob.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/1/0438/3778/4224/files/bulletin_de_salaire_vierge_assistant_maternelle.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7868/8674/files/54905693377.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5108/0090/files/buwureguzame.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/5122/7048/files/38353439600.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5642/1278/files/vopemonofupixut.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/44368867506.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7518/2496/files/sixth_grade_reading_comprehension.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2348/2530/files/ceremony_book.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9546/5892/files/tavanumeneji.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 8

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_off00005f1a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F1A 5504 bytes
SHA-256: 89ef70fb55ed2be1c24e581df0731780123c38eac5c5398bcfb371b5ed39ac68
font_01_sfnt_off000071d0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x71D0 13264 bytes
SHA-256: 1a8a0043408f78c379cdfb235a495cf0c26002b3037e24af12cc89a0c730ebc9

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