Malicious PDF — malware analysis report

Static analysis result for SHA-256 0560d17f3728e774…

MALICIOUS

PDF

101.2 KB Created: 2020-08-25 21:51:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: fdfb5e6e0fbd4af004960f6b7b45ba9a SHA-1: c823b27bf0422162f50a8ba30b35270280713494 SHA-256: 0560d17f3728e77445eb06d1ce34414e0acc3d78774c271d89546aeeb81ddbab
194 Risk Score

Malware Insights

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

The PDF contains numerous links to external resources, masquerading as a link farm. One of the primary links, https://ttraff.ru/pify?keyword=tipos+de+intercambiadores+de+calor+de+doble+tubo, is identified as a malicious redirector. This suggests the document's purpose is to redirect users to malicious infrastructure, likely for phishing or to download further malware. No scripts were extracted, but the PDF structure and embedded links strongly indicate malicious intent.

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.ru/pify?keyword=tipos+de+intercambiadores+de+calor+de+doble+tubo In PDF document text
    • http://files.walk-cards.com/uploads/1/3/1/3/131398253/kilapozofotede.pdfIn PDF document text
    • http://gorikijir.petitepetalsbyflo.com/uploads/1/3/0/7/130775118/66b4867.pdfIn PDF document text
    • http://files.declanwrynn.com/uploads/1/3/0/9/130969169/dupaf.pdfIn PDF document text
    • http://bigila.fencingaberdeen.com/uploads/1/3/0/8/130814295/3159164.pdfIn PDF document text
    • http://ralunobi.rossmckitrick.com/uploads/1/3/1/4/131406798/116153.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/1/0431/4251/2802/files/pa_school_immunization_law_report.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5389/1232/files/spongebob_credits_song.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1871/4264/files/baazigar_audio_song_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4761/5649/files/reggaeton_music_downloads.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7001/3086/files/demitunutopedazax.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1471/7597/files/chicago_traffic_report.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9604/7783/files/tafabidetemuxeretaz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1392/1175/files/weider_ruthless_workout_calendar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7745/8334/files/bsc_1st_year_inorganic_chemistry_notes_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/9543/6955/files/list_of_prescription_abbreviations.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1541/3661/files/3d_printer_model_file_formats.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 4

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_off000147ac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x147AC 5308 bytes
SHA-256: 6b5ac3e236394f152296e7abe66ef1517f71c9e482ecd8eedb79a88c385c1ee7
font_01_sfnt_off00015990.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15990 14748 bytes
SHA-256: 40983243a4f1712732f65c318942a624bbe6ec53ab0664559f4146f5de6733e7

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