MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains multiple embedded links, with one critical heuristic firing indicating a malicious redirector. The document body, though heavily obfuscated, contains text that appears to be a lure for accessing online forms, directly correlating with the malicious URL. The presence of a password-protected archive lure suggests a multi-stage attack where this PDF serves as the initial delivery mechanism.
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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=access+online+forms In PDF document text
- http://files.huckleberryridgefurniture.com/uploads/1/3/0/7/130740149/2275855.pdfIn PDF document text
- http://xemexu.nib-ex.com/uploads/1/3/2/7/132712315/8810937.pdfIn PDF document text
- http://files.bittersweetgardenclub.com/uploads/1/3/0/7/130775866/b6e5d8.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/1/0434/3542/5944/files/52108623106.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6486/0580/files/lusekovo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2930/6263/files/zobuvavavinomizeve.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1638/0831/files/93022363776.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8646/2620/files/fitbit_charge_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4447/6840/files/worogadanisubugutitedi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7041/3207/files/irs_form_capital_loss_carryover_worksheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2408/9242/files/12578759726.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3412/2139/files/69424183131.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0009/4112/files/husqvarna_automower_435x_awd_bedienungsanleitung.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005f26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F26 | 3016 bytes |
SHA-256: 07efd4b5ce35fe43d562a47bea6ca2be7e52a32f6dbf0d49a2a72276c44a66d1 |
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font_01_sfnt_off000069e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69E1 | 4512 bytes |
SHA-256: b463bd2c86f081e43fb6aee681202b6dfe55c0f89ef550369fee31f006bea438 |
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font_02_sfnt_off000078f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78F8 | 9924 bytes |
SHA-256: 88c0733e488325801d29228c0f2e29b22539fcf5a6001fb3ad32d9b2cbdddd42 |
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font_03_sfnt_off00009ae0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9AE0 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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