MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of embedded links, many of which point to known malicious redirector infrastructure. The document body text and embedded links suggest a lure related to merging PDF files, likely to trick users into clicking malicious URLs. The primary malicious URL identified is https://ttraff.com/wb?keyword=merge%20multiple%20pdf%20file%20into%20one%20online.
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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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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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.com/wb?keyword=merge%20multiple%20pdf%20file%20into%20one%20online In PDF document text
- http://files.mosimannlab.com/uploads/1/3/1/6/131606231/04d2d0.pdfIn PDF document text
- http://files.ncam.ac.nz/uploads/1/3/0/7/130776788/a94fe6a1c2f25a.pdfIn PDF document text
- http://files.beitnachum.org/uploads/1/3/1/4/131483253/ximegigojepirez_rabisosip_suwupisi.pdfIn PDF document text
- http://files.sbcopywriting.com/uploads/1/3/2/7/132740218/644292.pdfIn PDF document text
- http://files.seizediem.com/uploads/1/3/1/4/131438741/vewim_gifesimefipotu.pdfIn PDF document text
- http://files.well-estar.com/uploads/1/3/1/6/131637034/91a0067.pdfIn PDF document text
- http://files.stergiongroup.com/uploads/1/3/2/7/132740398/4599498.pdfIn PDF document text
- http://files.krabidream.com/uploads/1/3/2/6/132681566/3285554.pdfIn PDF document text
- http://files.thefreckledpeddler.com/uploads/1/3/1/3/131398246/wixapajar-xutolosakisajos.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://tamiwawafota.files.wordpress.com/2020/06/39801242333.pdfIn PDF document text
- https://rekerotufosu.files.wordpress.com/2020/06/97051621964.pdfIn PDF document text
- https://ronezas.files.wordpress.com/2020/07/kukixadezozejexetelebawaz.pdfIn PDF document text
- https://sufiwow.files.wordpress.com/2020/06/59641937092.pdfIn PDF document text
- https://tofugubu.files.wordpress.com/2020/06/xugevobidawomajelan.pdfIn PDF document text
- https://kusulubir.files.wordpress.com/2020/07/fopujutugamivavusodalel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/35209966956.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/33374625424.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/surorut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mekokagowofulagifofid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mowelikuzamutaj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/parisibudipaxetiwori.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_off00005057.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5057 | 4860 bytes |
SHA-256: 8e514fb433862a041cfd97e9fb0d95e458ef8edd468907a3650d0530fce6788d |
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font_01_sfnt_off000060ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60CE | 9636 bytes |
SHA-256: 4b31fe2ed356cd3ce5c477fca8c76cd6314eb65fea7a20f2573339da1a28965f |
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