MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a high number of external links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The presence of a visual download button and the document body text mentioning 'Accession register format in library' suggests a lure to trick users into clicking the malicious link. The primary malicious IOC is the redirector URL, which likely serves as a gateway to further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.cc/pify?keyword=accession+register+format+in+library In PDF document text
- http://files.thesoundingboardministry.com/uploads/1/3/1/3/131380107/wivotox.pdfIn PDF document text
- http://files.yt8music.com/uploads/1/3/1/4/131453005/ae92acb9c.pdfIn PDF document text
- http://files.laneinspections.com/uploads/1/3/1/3/131383959/2766878.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/1/0447/8484/4949/files/25125419379.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4245/5195/files/wonderlic_personnel_test.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4133/3147/files/devufarugasinokolokekeban.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9191/1066/files/antagonistas_receptores_h2.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4447/0933/files/68272286652.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4669/9165/files/aha_acls_algorithms.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1008/8342/files/resmed_airsense_10_autoset_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0596/8537/files/21045800068.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9097/5647/files/wapilemozezewamuputulexop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gabagijujusudizal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8191/5798/files/13612212400.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4845/0718/files/female_body_language_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6881/7562/files/80802617450.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_off00006eff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EFF | 5432 bytes |
SHA-256: 2b67885b3ca6dc59e0e54e5ae028e938470de0e58ffec2159c2e23bed82b4562 |
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font_01_sfnt_off0000815e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x815E | 10076 bytes |
SHA-256: 0f3dc2a5210a3299434150bc9fbbe3f7502e7d895ebefc5caca6e492a324d27b |
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