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, pointing to 'https://ttraff.ru/pify?keyword=jurnal+skripsi+akuntansi+perpajakan+pdf'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links to external PDFs, many hosted on Shopify. The document body, though heavily obfuscated, contains the same academic-related keyword as the malicious URL, suggesting a lure. The ML classifier strongly flagged this PDF as malicious.
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=jurnal+skripsi+akuntansi+perpajakan+pdf In PDF document text
- http://files.kut-snake.com/uploads/1/3/1/4/131453724/xobomenukokapa.pdfIn PDF document text
- http://files.teslniagara.org/uploads/1/3/2/3/132302859/00b1f3936a0a.pdfIn PDF document text
- http://files.armleydancestudios.com/uploads/1/3/2/3/132302924/d0eaac3cdd2.pdfIn PDF document text
- http://files.suitelifeonsas.com/uploads/1/3/1/3/131381352/mafilajo-jaxusizopus-digin.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/1/0430/7845/1351/files/35039578614.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0600/8216/files/73331100369.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0885/2117/files/18838823873.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1961/4882/files/xumuzexugeropo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6627/8556/files/wowagomelutesodewepu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1769/9477/files/73775057763.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4141/4552/files/38181991382.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0775/3888/files/51920435996.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9353/2573/files/darogekepivofijitije.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2625/9876/files/44132010771.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/53607129813.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9753/8203/files/wuvidujod.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:
armleydancestudios.com
3 samples
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e23b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE23B | 4936 bytes |
SHA-256: 7ae630080e068d62025955fe10f66f2608446a959016280fb11d3700b0dab70e |
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font_01_sfnt_off0000f30a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF30A | 16388 bytes |
SHA-256: d22dc33d6bc672b1cdde7028b9eae90437fd4dc80f08f6d6e1a02f107f5fdc0f |
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font_02_sfnt_off00012500.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12500 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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