MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link, which is also present in the document body. This link, 'https://ttraff.ru/wb?keyword=amazing%20grace%20my%20chains%20are%20gone%20chords%20in%20g%20pdf', likely leads to a malicious site. The document also contains a large number of links to other PDFs hosted on Shopify, suggesting a link farm for SEO manipulation or to obscure the malicious redirector. No scripts were extracted, but the presence of the malicious redirector and the link farm indicates a phishing or redirection attack.
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/wb?keyword=amazing%20grace%20my%20chains%20are%20gone%20chords%20in%20g%20pdf In PDF document text
- http://memiz.leadplasticsurgery.com/uploads/1/3/1/4/131407469/tavavoduru.pdfIn PDF document text
- http://files.kauaimusiceducation.org/uploads/1/3/1/3/131380063/bisunozowok_bakagab.pdfIn PDF document text
- http://files.guerrillazoo.com/uploads/1/3/0/7/130739616/5761426.pdfIn PDF document text
- http://lamuwasup.risingintoradiance.com/uploads/1/3/1/0/131069934/7e5301ba4754425.pdfIn PDF document text
- http://files.yacfoundation.org/uploads/1/3/1/3/131383398/relili_mupixolala_gofowekoxuzel.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/1/0433/4462/5822/files/vaxatom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8845/4559/files/67474761884.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1202/1657/files/jalavunufotipedozitaki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3205/1873/files/54327791981.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9376/2975/files/momupiriwufiburipobanota.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8776/4387/files/73871611824.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5734/7746/files/pebenapupujesa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1715/0368/files/57259275130.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6772/8279/files/zagumodidujarewixaguparuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6031/3763/files/wevifemiwaxamojorasuges.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4306/0901/files/crioterapia_espasticidad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8026/9462/files/54383184249.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2672/7580/files/4827581423.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5876/4696/files/50012330935.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000055a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x55A0 | 5680 bytes |
SHA-256: de63aef058e1628392ba764b802b2045dbc51dac110567c6c713da5499e373d5 |
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font_01_sfnt_off000068e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68E0 | 14200 bytes |
SHA-256: 214b7c5b04a0c65c36913bffc3f8aa4b0bf408567d2168a2f4f5eac019c16f8e |
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