MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=by+water+and+the+spirit+umc+pdf'. Additionally, it exhibits characteristics of a link farm, with numerous embedded URLs, many of which are hosted on Shopify. The presence of a 'SE_LOLBIN_RUN_COMMAND' heuristic suggests that the document may contain instructions or visible command text involving Windows execution tools, further indicating a malicious intent to redirect or execute further payloads. The document body itself is heavily obfuscated but contains the malicious redirector URL.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF 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.
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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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=by+water+and+the+spirit+umc+pdf In PDF document text
- http://gokimafuf.theamericancurlstandard.com/uploads/1/3/0/8/130813108/446440.pdfIn PDF document text
- http://files.steppingintoci.com/uploads/1/3/1/8/131856987/vewikuguwisalasisu.pdfIn PDF document text
- http://files.fairmounthardwarelumber.com/uploads/1/3/1/0/131071289/5004344.pdfIn macro / runtime command snippet
- http://files.erinmicklowstylist.com/uploads/1/3/0/7/130775563/1826172.pdfIn PDF document text
- http://files.missamywatkins.com/uploads/1/3/1/1/131163590/zerikuxawavomiron.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/1/0437/6153/3085/files/dogijamiluneg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1737/9745/files/48085238943.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1107/9317/files/roque_antonio_carrazza_icms.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8508/4310/files/jakunigeditigamowujufame.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4959/1718/files/26157668056.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2908/5859/files/1861416163.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3461/4688/files/guderian_achtung_panzer.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0776/9750/files/26006878197.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6425/4883/files/ap_psychology_barron_s_book_8th_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3341/9162/files/9123863326.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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000664a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x664A | 5604 bytes |
SHA-256: e67cda5d56a55b44f409b1012f07739fae2d2068393c1b66a5011110cd35066e |
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font_01_sfnt_off00007949.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7949 | 2252 bytes |
SHA-256: a9c8893ef9749affc5f0172b1095bde7a6addd173f0ffeb166568fc5d352880d |
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font_02_sfnt_off0000830a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x830A | 10428 bytes |
SHA-256: eb8956cd9e3106d10e6696e1dcba1ee81db47eeca93f5e6e90ed2dd0fbef9794 |
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