Malicious PDF — malware analysis report

Static analysis result for SHA-256 bdd714607efc1d2c…

MALICIOUS

PDF

63.7 KB Created: 2020-08-10 07:43:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 074566e867b2a3b6eb782e38762ea4b8 SHA-1: 4aa7f497f0ee21680a776ffbc745712b6330cdf8 SHA-256: bdd714607efc1d2c3c2f2b2f594926476c5a3feffbbf2935d37700ced43fee11
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, many hosted on 'cdn.shopify.com'. The document body, though heavily obfuscated, contains the same URL as the redirector, suggesting a deliberate attempt to lure users to malicious infrastructure. The ML classifier also strongly flagged this PDF as malicious.

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=house+rental+agreement+format+in+kannada+pdf In PDF document text
    • http://files.centralhauling.com/uploads/1/3/0/8/130814858/kexojanenenuv-juselarulam.pdfIn PDF document text
    • http://nupowi.leadingmenfiberarts.com/uploads/1/3/1/3/131383483/2044193.pdfIn PDF document text
    • http://files.childrenscauseoc.org/uploads/1/3/1/4/131408970/bd4224e9.pdfIn PDF document text
    • http://xodim.fflinstall.com/uploads/1/3/0/8/130814058/kukilitabedugize.pdfIn PDF document text
    • http://fedorahosted.org/lohitIn 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/1/0429/8211/3433/files/xuxokakuxam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7202/7814/files/kukajet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6350/9141/files/wakewatotusilak.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6716/9173/files/86878742979.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0873/6928/files/apprendre__parler_portugais.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9628/6111/files/4762807334.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/1345/1430/files/bacillus_polymyxa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2875/0241/files/concierto_de_aranjuez_adagio_piano.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0962/2691/files/pudetedasugamor.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_006_off0000b5aa.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0xB5AA 7684 bytes
SHA-256: ee940c2b3e495b87e3bec348ecefb1d95f67979e00d7d4e09b8d9f7f26214de4
font_00_sfnt_off00009973.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9973 2828 bytes
SHA-256: 3b89a1333aa93e194de12c5c5da229a8f3a969ace6b07a90c5323b9ece6747ec
font_01_sfnt_off0000a36e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA36E 5388 bytes
SHA-256: c7347cd98e1f609c22e7c51fae13463c5cdf714145d7c9a56ad501c37985f4c4
font_03_sfnt_off0000cc2f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCC2F 10832 bytes
SHA-256: 7a041eebe02fed62188266a925deac6ba305a25c661ee76301851186f4f5894c

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