Malicious PDF — malware analysis report

Static analysis result for SHA-256 e5ec3e9b19e99038…

MALICIOUS

PDF

141.0 KB Created: 2020-08-18 15:13:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e91b31ce4ea0e56b686ae0b8851a81b1 SHA-1: 59f43b8646d5117a31252e85fc29c02d26889bf0 SHA-256: e5ec3e9b19e99038bf78507f16368b85ecd9517baabd229dc0a206bf4012d781
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=alicante+ciudad+mapa+pdf', which is also flagged as malicious. This suggests the primary goal is to redirect the user to a malicious site, likely for further exploitation or phishing. The ML classifier strongly supports the malicious nature of this PDF.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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.ru/pify?keyword=alicante+ciudad+mapa+pdf In PDF document text
    • http://files.nomeatmarch.com/uploads/1/3/1/3/131380596/guduxekitubiwam.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/1/0432/9163/9974/files/38136173144.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2894/5819/files/unisa_online_application_form_2019.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1734/6976/files/42337432095.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5183/5801/files/89049856719.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3318/2886/files/avatar_hollywood_movie_songs.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3513/1046/files/massage_intake_form_template_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1724/8672/files/gubazosipatumedewaga.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5845/3918/files/31723599267.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9932/4577/files/auto_manual_on_a_ford_econoline_van.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5470/3526/files/android_alarmmanager_one_time.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0419/9075/files/land_sale_agreement_format_in_tamil.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 1

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001d229.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1D229 5016 bytes
SHA-256: 5fc025514bf6a9a284ce33f2fdb34be42e1e0d79086e9d2fdca36d38358d08b7
font_01_sfnt_off0001e324.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1E324 13060 bytes
SHA-256: 6520aae675f7eca5e73a90d6f4676007a2700b128207b372237819335f82b760
font_02_sfnt_off00020d32.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x20D32 16832 bytes
SHA-256: e0f46887e65015001ad21f1d6430da1c13b34c97eb994a78305c50b2651cdcf2

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