MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass external link farm, with the primary malicious link directing to a known redirector. The document body, though heavily obfuscated, contains the same URL and appears to be a lure related to antibody production. The presence of numerous Shopify-hosted PDF links suggests an attempt to manipulate search engine results for discoverability.
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.com/pify?keyword=produ%25C3%25A7%25C3%25A3o+de+anticorpos+pdf In PDF document text
- http://files.bellhollowfarm.com/uploads/1/3/0/7/130740521/topik.pdfIn PDF document text
- http://files.answersformylife.com/uploads/1/3/1/6/131606150/9923980.pdfIn PDF document text
- http://files.gilipalms.com/uploads/1/3/1/6/131637254/9093948.pdfIn PDF document text
- http://zegiduri.higherlivingnetwork.com/uploads/1/3/0/9/130969130/62eecd.pdfIn PDF document text
- http://vawoxulep.bibisnelderwaardbrion.com/uploads/1/3/1/0/131071252/1527035.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/1/0437/8483/1125/files/the_human_chair.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0530/3190/files/36224992903.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0981/0327/files/mignonne_allons_voir_si_la_rose_analyse.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/3182/6325/files/nineveh_the_great_city.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8153/9489/files/application_octet_stream_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8627/4977/files/tinkers_construct_prickly.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8257/9110/files/69184738252.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8852/7013/files/jipiva.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3870/1728/files/c_factory_pattern.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7393/6291/files/fefutawesogidu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0602/5128/files/56562416738.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8844/5604/files/gulitevu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7061/1861/files/59957511376.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5249/8070/files/dojudusawexipek.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_off00005fe8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FE8 | 5500 bytes |
SHA-256: d3e13545defc2f6ab6354173a34771c74f48599638f2a1f0367e337075ec0fb1 |
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font_01_sfnt_off000071c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71C9 | 11988 bytes |
SHA-256: 2ed90475bd847fd328e22045e40d6cac39bbad4a71e66eb8ea9bcceeb7e1d7b4 |
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font_02_sfnt_off000095e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x95E7 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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