Malicious PDF — malware analysis report

Static analysis result for SHA-256 49ed753af78b91cd…

MALICIOUS

PDF

44.0 KB Created: 2020-08-05 00:59:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4d7a69f05c2e41c8625ef571e6c49904 SHA-1: d9c0645fbeb943f401b44fd9d8f8b4159f9ee05d SHA-256: 49ed753af78b91cdd3205297f547f4efc9f659ccfb9b47628f96c6d284c21aca
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with one heuristic specifically identifying a malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=berliner+platz+1+test+pdf', which is likely intended to lure the user to a malicious site. The presence of a link farm suggests an attempt to manipulate search engine results or distribute malicious content broadly.

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=berliner+platz+1+test+pdf In PDF document text
    • http://files.coast-architects.com/uploads/1/3/2/7/132712306/bamunavuwabuf.pdfIn PDF document text
    • http://files.tmvideoproductions.com/uploads/1/3/0/7/130740191/dijezanuvopudo_fagewivujikek_venetobuwi_kalekir.pdfIn PDF document text
    • http://files.its-our-mission-period.org/uploads/1/3/0/7/130739831/fukekewatidoton.pdfIn PDF document text
    • http://files.berhane-yesus.info/uploads/1/3/0/7/130739363/pafitalemedibediva.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/1/0438/0141/1744/files/lozelekosonisitov.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3977/6159/files/93518940841.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5639/7464/files/xulomigozunixijedewaf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2908/5859/files/29838006993.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1724/8672/files/75945874078.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5654/6467/files/56873725566.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4266/7676/files/4840588556.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3695/9139/files/67361617104.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0733/6857/files/57702061793.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2833/3219/files/kukizi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9302/5183/files/namonufor.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0421/4942/files/nejixi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2666/1023/files/utorrent_cannot_find_path.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 1

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_off00006572.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6572 5184 bytes
SHA-256: ad09b5ad315140db93980e4c312d1cb97983ea99f07f5288dc86b17cc91c59fd
font_01_sfnt_off00007731.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7731 13764 bytes
SHA-256: a05e7f7be702aa03579e098521a4d2fcd2a5f9c196e8f7b5ea33a35cb43def88

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