MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF file contains multiple embedded links, with one specifically identified as a malicious redirector. The document body, though partially corrupted, contains the text 'Angular 4 form validation on change' and the malicious URL, suggesting a lure to trick users into clicking the link. The presence of numerous external PDF links also indicates a link farm strategy. The primary malicious IOC is the redirector URL.
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/pify?keyword=angular+4+form+validation+on+change In PDF document text
- http://files.keribaskin.com/uploads/1/3/1/4/131454355/3071001.pdfIn PDF document text
- http://bizadulix.roastinghousemcgregor.com/uploads/1/3/2/6/132681670/nomamenus-xanabo-duwuveroza-nosebupul.pdfIn PDF document text
- http://files.thebrightestday.net/uploads/1/3/1/1/131163960/luzoxebolog.pdfIn PDF document text
- http://files.justiceformajortillery.org/uploads/1/3/1/3/131382470/deduvitorovara_kadoruxuzujeto.pdfIn PDF document text
- http://rozoru.oakdalemma.com/uploads/1/3/1/4/131406947/kosajawiliso.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/1/0428/3265/8588/files/58338053223.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0702/5060/files/potanufak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/36920421444.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4065/2964/files/new_hd_movies_telugu_2018.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2490/7414/files/fuzebelinefunefiwuxuj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3290/3829/files/37736076178.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4054/6714/files/jusawijozavi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7342/0965/files/gezasapiralebesimegugujez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2677/6227/files/83138024921.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2014/7093/files/fokigizune.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0513/2445/files/kozoduv.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006a29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A29 | 5276 bytes |
SHA-256: c597bc364ba3ab90f75c0beb1481ec10b91b74bd9a8b19e150af33d0ebc9bf76 |
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font_01_sfnt_off00007bee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BEE | 3368 bytes |
SHA-256: 6f3287a829aa2e52dba162faf23c37ec22e1cc963ebb1f9c8c94c81e8483fa8e |
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font_02_sfnt_off00008983.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8983 | 15528 bytes |
SHA-256: 2f2e77b401686aff7db05621ebc6332d6ba9d171ec8c0abe15d01191ac4c57a7 |
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font_03_sfnt_off0000ba92.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA92 | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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