MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to a redirector service, indicating a link farm designed for SEO manipulation. The primary lure URL, 'https://ttraff.cc/wb?keyword=contoh%20ujian%20psikometrik%20pdf', is flagged as malicious. This suggests the document's purpose is to drive traffic to malicious infrastructure, likely for phishing or malware distribution, masquerading as a legitimate PDF download.
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.cc/wb?keyword=contoh%20ujian%20psikometrik%20pdf In PDF document text
- http://files.youngatheartdesigns.com/uploads/1/3/1/6/131637255/jepuj.pdfIn PDF document text
- http://files.zamjesuitscovid19.org/uploads/1/3/1/3/131382387/rewifat.pdfIn PDF document text
- http://files.nothernlotusayurveda.com/uploads/1/3/0/7/130739776/9a6bfaec4bbaed.pdfIn PDF document text
- http://files.shopmade4her.com/uploads/1/3/0/7/130739093/fivasix.pdfIn PDF document text
- http://files.windmilldawn.com/uploads/1/3/1/3/131383727/e9cc81286.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/1/0430/9037/8901/files/36225484783.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8488/1825/files/45714195120.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4369/1419/files/vepobufajunavagi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7259/3832/files/64631004105.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9301/5190/files/81262749445.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/24375498268.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/7786/7422/files/zoxovif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7296/2203/files/dojosidofepore.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gamusuzojikifikukudubug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/5122/7048/files/virigivomimum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2021/4681/files/rijodepobupepusu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8127/7342/files/68455986539.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6222/2232/files/93152491650.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006678.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6678 | 5292 bytes |
SHA-256: 1e264dcb37fcd006aecb0d4bd68111d7c25b91d72db6ea5088757b9de9734565 |
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font_01_sfnt_off0000784d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x784D | 11656 bytes |
SHA-256: 028541e1c6015c87a14bfe3ba512ceb5096edeaa7e381a13a07ec8666d9a6c69 |
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font_02_sfnt_off00009e01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9E01 | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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