Malicious PDF — malware analysis report

Static analysis result for SHA-256 dbe59053ffcc1eec…

MALICIOUS

PDF

40.5 KB Created: 2020-08-12 10:44:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5c1030f85a0a58e773020d968709469b SHA-1: 70a91d4bbe0295977e3fed1be312109b99d0abc9 SHA-256: dbe59053ffcc1eec9030253f585523822beb077c1fef5fbb4867e097617b1c9d
194 Risk Score

Malware Insights

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

The PDF contains a mass of external links, many pointing to benign Shopify URLs, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the string 'Caccia al tesoro compleanno pdf' and the malicious URL, suggesting a lure for a treasure hunt. The primary malicious IOC is the redirector URL, which likely leads to further malicious content or exploits.

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=caccia+al+tesoro+compleanno+pdf In PDF document text
    • http://files.thepathofservice.org/uploads/1/3/1/4/131407849/tokigedut.pdfIn PDF document text
    • http://files.storytimewithteta.ca/uploads/1/3/0/8/130874338/ba62b7.pdfIn PDF document text
    • http://files.tiffanynewman.net/uploads/1/3/1/1/131164351/fomegunasafegab_vekanazedul_rutotedivexisu.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/1/0433/9036/9959/files/belfast_confetti_poem.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2347/4583/files/ap_grama_sachivalayam_syllabus_telugu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3293/6605/files/juegos_wad_wii_ntsc_mf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5597/2505/files/15118689952.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/jisabisagubimebusogapasof.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0449/1676/8923/files/wuzuwafanapunetofonivin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5098/2805/files/noxenoka.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1459/4466/files/41122895766.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2804/6233/files/7514063634.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7922/0891/files/xasokavujofekin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7573/1616/files/jifupewene.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 7

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_off0000607b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x607B 5208 bytes
SHA-256: b70427e8a6bf952bbb2118a185d4682c800519d0c0d68a52b18992c8d5c79442
font_01_sfnt_off0000720d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x720D 11012 bytes
SHA-256: f1d46951e6ff694f61a1494ac9bc0ca401aa3fd2f1c1c8d7cb7efe378e9f87de

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