MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains numerous embedded links, with a critical heuristic firing indicating it links to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that appears to be the primary lure. The presence of many external links, including those hosted on Shopify, suggests a link farm or SEO poisoning tactic to increase visibility and click-through rates to malicious sites. No scripts were extracted, limiting the analysis of direct execution capabilities.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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.ru/pify?keyword=flowcharts+and+pseudocode+questions+and+answers In PDF document text
- http://files.wellwednesday.ca/uploads/1/3/1/3/131380504/60da88.pdfIn PDF document text
- http://joxonid.byptrampolines.com/uploads/1/3/1/3/131379730/6427354.pdfIn PDF document text
- http://files.eastfallsfarmersmarket.com/uploads/1/3/1/0/131070080/tumifa.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/1/0431/9825/1165/files/5842715335.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3255/9267/files/87463896104.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/jenodilibaxu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7278/2489/files/33474337652.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7284/0090/files/givofubizitevo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5780/6486/files/mevefugizererutoxa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5184/3737/files/98699629235.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5871/6055/files/47728015882.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5442/3464/files/wozifuzigave.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5307/9963/files/sound_of_silence_sheet_music_piano.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8276/6743/files/bsnl_landline_bill_view.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7117/5846/files/61216180721.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zokiwu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3822/9158/files/83412667369.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_off00005157.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5157 | 5216 bytes |
SHA-256: d230a303e3ea6f415cc670fbee8d700dac5e8f7e4e98fb8a6f28cb8eafdd1a69 |
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font_01_sfnt_off00006314.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6314 | 10224 bytes |
SHA-256: a667d7535e632b606bb4576f65d5faf0ad712065b5528800ce34c52c850dd85d |
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font_02_sfnt_off000085e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x85E4 | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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