Malicious PDF — malware analysis report

Static analysis result for SHA-256 49f13f9f8ff75329…

MALICIOUS

PDF

52.9 KB Created: 2020-08-09 15:23:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a80c62c94da2d5060d4f2a57fd0bc9e5 SHA-1: ea9d837052972d0306a0add7dbaf5039dd68d51b SHA-256: 49f13f9f8ff75329ec8fa6eadfbde73552a579701d1369a1d2ae23fce91828a0
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of these links, 'https://ttraff.com/pify?keyword=arduino+beginner+pdf', is identified as a known malicious redirector. The document body, though heavily obfuscated, contains references to this malicious URL and other PDF links, suggesting a social engineering lure to drive traffic to malicious infrastructure.

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=arduino+beginner+pdf In PDF document text
    • http://files.xingmc.de/uploads/1/3/0/7/130740323/e51c4.pdfIn PDF document text
    • http://files.ksah.com.au/uploads/1/3/0/8/130814055/7794034.pdfIn PDF document text
    • http://files.theinspiracy.com/uploads/1/3/2/3/132303083/zuzaborabitaf.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/1/0431/1446/3394/files/danavogigoranerupipe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/4349/9677/files/sales_executive_job_description.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2052/5476/files/29652039959.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/8397/1237/files/10476812949.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5110/6972/files/42109374411.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7827/1651/files/70129472120.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0658/3203/files/51079665741.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8977/2187/files/demowanoxanoxov.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1403/7397/files/one_motion_paint.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5847/0810/files/cholesterol_lowering_diet_plan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3353/4357/files/los_4_acuerdos_de_la_sabiduria_tolteca.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4166/7734/files/sociology_igcse_notes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3692/6374/files/89175507129.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 6

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_off0000891f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x891F 4920 bytes
SHA-256: 6aec8cf18b6b4617fe9d2dfd8f20ae11b355a87079a47ab0c20872dca74bb380
font_01_sfnt_off000099ed.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x99ED 14444 bytes
SHA-256: 1beb553df6e28a9288a4946c3e501ab99cf359e122fa92ba64a2a852efb6a3b0

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