MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious File
The PDF was flagged as malicious by an ML classifier and contains a large number of embedded links, including a known malicious redirector. The document body itself is heavily obfuscated but contains a URL that is also present in the heuristics. The primary attack pattern appears to be a link farm, potentially for SEO manipulation or to distribute further malicious content.
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=afaan+oromoo+books+pdf In PDF document text
- http://files.liffordhealthcentre.com/uploads/1/3/2/7/132740905/lezotoko.pdfIn PDF document text
- http://files.fleurdelizcandles.com/uploads/1/3/2/6/132681452/1e5171813.pdfIn PDF document text
- http://files.bainbridgeje.com/uploads/1/3/0/7/130738569/tisisofavilufudu.pdfIn PDF document text
- http://files.avivapressman.com/uploads/1/3/1/4/131453735/zegijedu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6360/6429/files/iphoto_yosemite_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4008/0021/files/gixagakaveneguzunazipakuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8828/9694/files/etat_de_rapprochement_bancaire_exercice_corrig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/8671/4782/files/proscan_tv_manuel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1555/2674/files/51188425601.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2457/9751/files/how_to_convert_to_vertex_form.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3411/5233/files/salotaximinarib.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1391/5303/files/wodesafisozaxubosed.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2830/8387/files/irctc_railway_station_code.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7243/8947/files/vukinesawovimukeb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1263/7351/files/o_conde_de_monte_cristo_alexandre_dumas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1800/2340/files/atherosclerosis_biochemistry.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2175/4787/files/60206860157.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3965/3030/files/ultimate_marvel_vs_capcom_3_character_list.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9715/1904/files/the_time_capsule_book.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
🗂 Part of campaign:
bainbridgeje.com
4 samples
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d1ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1CA | 5348 bytes |
SHA-256: 80757300b9719d56a9f174ded1f8b8c1d3a49c6b8b64a4ba3a764bd962645fd6 |
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font_01_sfnt_off0000e3de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3DE | 10604 bytes |
SHA-256: 458477b2486f895a1eafaad5168e08f70641075c36326bb2744260396eb6f797 |
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