MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=ceramah+adalah+pdf'. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, including one to 'https://cdn.shopify.com/s/files/1/0434/4132/4184/files/547732837.pdf'. The ML classifier also strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, a tool sometimes used to create malicious documents.
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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/pify?keyword=ceramah+adalah+pdf In PDF document text
- http://files.a1-therapy.com/uploads/1/3/0/7/130776483/favuxagazugumevow.pdfIn PDF document text
- http://files.moriahit.com/uploads/1/3/1/1/131163712/a143ad15c.pdfIn PDF document text
- http://files.jellybeanschilddevelopmentcenter.com/uploads/1/3/1/6/131606373/af6794f419f699.pdfIn PDF document text
- http://files.helpaschoolfoundation.com/uploads/1/3/2/7/132741556/jakenedikapom-zoxepuxivulul-seludifigenufa.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/1/0434/4132/4184/files/547732837.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1730/4226/files/kifedikux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1022/0447/files/52406140049.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7369/0017/files/50642475065.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4655/2227/files/48734154186.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1932/2022/files/tusapoz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0159/3502/files/furula.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5018/9478/files/92646459271.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/37357510366.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/3786/5637/files/70418914414.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0866/3456/files/foboxavasipowa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5294/9913/files/jimodipipirajivojubulome.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_off000070de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70DE | 4572 bytes |
SHA-256: a8ac59a0bba87053f8bf3ea72b04c28601110347ef787f552fa9f097e1d32739 |
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font_01_sfnt_off0000805c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x805C | 10096 bytes |
SHA-256: 2ad629bf9d69c3647bc6f5717a207d31845d9b0f354eacd5d798011db81de661 |
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