MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link that redirects to malicious infrastructure, disguised as a search result for a specific document. The PDF also hosts a large number of external links, many pointing to benign Shopify URLs, suggesting a link farm or SEO poisoning tactic. The ML classifier strongly indicated maliciousness, and the PDF structure itself contains a malicious redirector link.
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=algorithms+jeff+erickson+solutions+pdf In PDF document text
- http://guxodoju.mightygreen.com/uploads/1/3/1/8/131857631/gefesukanowa.pdfIn PDF document text
- http://xubapi.staceyweckstein.biz/uploads/1/3/1/4/131437363/9b194.pdfIn PDF document text
- http://files.unlimitedpotentialaz.org/uploads/1/3/2/7/132712661/20f27d2ef87c.pdfIn PDF document text
- http://files.bereangracechurch.com/uploads/1/3/0/9/130969699/dbfb4aa.pdfIn PDF document text
- http://files.yasminerose.com/uploads/1/3/2/8/132814906/sitip.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/1/0434/5534/8888/files/foxaxesinukata.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1075/2663/files/58875904882.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/40369191557.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0801/6027/files/tekinoxilitawixiz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/6072/9758/files/what_does_doki_mean.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0716/5095/files/rojinalewokitoxeserawodak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3591/7464/files/28261547165.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3459/0878/files/87411830334.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9299/2410/files/da_form_7223_bullet_examples.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8768/1952/files/lipton_biology_of_belief.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5131/0488/files/nuromutukibopidan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/36283751979.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8262/0834/files/60311076719.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_off000065ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65ED | 5368 bytes |
SHA-256: 6306e55733b1df747f2a6371deb599215f17759ae291aae04a72f163132837fa |
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font_01_sfnt_off0000780b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x780B | 2140 bytes |
SHA-256: 49dddaa543544930169c80d10742cf71a10a90771d945bdf421e53748b1fa594 |
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font_02_sfnt_off000081e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x81E5 | 10352 bytes |
SHA-256: 49af0c991b72d43fef6061ec6610f0eab418f7bdaa9ee3aa5c3360730c52ee44 |
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font_03_sfnt_off0000a55f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA55F | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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