MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that redirect to malicious infrastructure, specifically identified as a redirector for SEO link farming. The document body, though heavily obfuscated, contains text that appears to be a lure for a 'biodata form pdf'. The presence of multiple PDF links and a critical heuristic firing for malicious redirector links strongly suggests a phishing or scam attempt.
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.com/pify?keyword=sample+biodata+form+pdf In PDF document text
- http://files.interdimensionalufoexperience.com/uploads/1/3/1/4/131437765/1368816.pdfIn PDF document text
- http://files.cmdg.online/uploads/1/3/2/7/132740464/8411981.pdfIn PDF document text
- http://files.lovejamie.shop/uploads/1/3/2/6/132695190/sukopivogikigi.pdfIn PDF document text
- http://dilibolo.impressivedfw.com/uploads/1/3/1/4/131453540/e81fc.pdfIn macro / runtime command snippet
- http://files.mgarrigan.com/uploads/1/3/0/7/130775342/3f17b6facbd311.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0433/0484/5465/files/48584212786.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zupapinited.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5541/5445/files/vafulefigakakizare.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/fadanamimurusekebunom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/3278/6597/files/analytical_method_validation_as_per_ich_guidelines.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7739/2791/files/10477784792.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8652/0224/files/dabav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3119/7856/files/economist_world_in_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/7023/8370/files/casey_at_the_bat_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6211/7020/files/30680180977.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0536/9758/files/vtech_phone_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4382/3511/files/40251017433.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_off00006ea7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EA7 | 4932 bytes |
SHA-256: 27d456a86b6f153db63e40bd68c1c1698a103287ac6e195fecc81665004a85ec |
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font_01_sfnt_off00007f63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F63 | 10804 bytes |
SHA-256: 9ed04a40b72eceb4950a3208eacc3f2b1be9ecfa296a0778fb24708878abab60 |
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font_02_sfnt_off0000a40f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA40F | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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