MALICIOUS
192
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, with one specifically pointing to a known malicious redirector. The heuristic firings indicate a link farm designed to potentially manipulate SEO or redirect users to malicious content. The presence of a 'download button' lure further suggests an attempt to trick the user into clicking a malicious link. No scripts were extracted, and the document body is heavily obfuscated, but the link farm and redirector are strong indicators of malicious intent.
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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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/wb?keyword=persuasive%20writing%20techniques%20ks2%20pdf In PDF document text
- http://files.enchantedlife.net/uploads/1/3/0/9/130969663/b517c6.pdfIn PDF document text
- http://files.kamawellnessperth.com/uploads/1/3/1/1/131164012/9625230.pdfIn PDF document text
- http://files.eslforpeace.org/uploads/1/3/0/7/130738806/nuvakuku-vewedoxogorovev.pdfIn PDF document text
- http://files.madrecbd.com/uploads/1/3/0/7/130775282/7196884.pdfIn PDF document text
- http://files.evemuson.com/uploads/1/3/0/8/130874541/rugodaw-votugosadu-tefetofuzatu.pdfIn PDF document text
- http://files.lummusbb.net/uploads/1/3/2/3/132302892/sugasil.pdfIn PDF document text
- http://files.jonsgardenblog.com/uploads/1/3/1/6/131606963/02819.pdfIn PDF document text
- http://files.foxlakeresort.com/uploads/1/3/2/7/132740482/98be447.pdfIn PDF document text
- http://files.azvrha.com/uploads/1/3/1/8/131871467/7006287.pdfIn PDF document text
- http://files.vision-batteries.com/uploads/1/3/1/3/131397930/87afc835635eb.pdfIn PDF document text
- http://files.ohebshalomtemple.com/uploads/1/3/1/3/131398432/fetumij_jilurefuzem_junomim.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://joxexib916360925.files.wordpress.com/2020/07/voxowewikad.pdfIn PDF document text
- https://gikeduzer.files.wordpress.com/2020/07/ralarazijovozu.pdfIn PDF document text
- https://fesopalom.files.wordpress.com/2020/07/10181645250.pdfIn PDF document text
- https://zitimaga.files.wordpress.com/2020/07/93955719114.pdfIn PDF document text
- https://zutakedolap.files.wordpress.com/2020/07/remarozub.pdfIn PDF document text
- https://sujoxina.files.wordpress.com/2020/06/30551349965.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vixegenosevisime.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/94323725826.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/26443777516.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/57032902602.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/87463685859.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/16711599054.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_off0000623f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x623F | 5632 bytes |
SHA-256: 8ff117133630015c23910e3161ac34bd90a93628cc82aef67e91a7010de4cf5d |
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font_01_sfnt_off00007565.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7565 | 10088 bytes |
SHA-256: bb37a423136e731f7b821119561503ace7b4806056684966360453ac88daf81e |
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