MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a significant number of embedded links, with a critical heuristic firing indicating a link to a known malicious redirector. The document body itself is largely obfuscated but contains the redirector URL. The presence of a large link farm suggests an attempt to leverage SEO or distribute malicious content through numerous indirect paths. No scripts were extracted, limiting the analysis of direct payload execution.
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.com/pify?keyword=length+of+a+string+c In PDF document text
- http://files.belmonthighlibrary.org/uploads/1/3/1/4/131483488/namukiwirojuwuv.pdfIn PDF document text
- http://files.holisticwellnessconsultant.com/uploads/1/3/0/7/130740530/8431291.pdfIn PDF document text
- http://files.merinikula.com/uploads/1/3/1/8/131856556/c16fe5c2e8b.pdfIn PDF document text
- http://files.jordydeleon.com/uploads/1/3/0/9/130969862/govatabokaxiruk_nozut_zedakofan_ranotogusi.pdfIn PDF document text
- http://files.mr-stevens.com/uploads/1/3/0/7/130776864/zoxakaso.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/1/0438/3080/4637/files/nidukefotap.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3437/0470/files/zofirazo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8289/0912/files/microsoft_streets_and_trips_2013.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0687/0183/files/70511588925.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0673/0138/files/87445220384.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0885/2117/files/batadofotawivavaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3150/9664/files/65807382405.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2330/9727/files/80255676182.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6844/8152/files/90427305906.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1078/3394/files/62495944018.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1903/5033/files/90157998400.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2955/2552/files/48038876302.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8617/6665/files/78366868566.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/0515/5240/files/42124177119.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006565.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6565 | 7284 bytes |
SHA-256: 72d13a609a22699cf2becf89cf8d3409d0d78d5ab075a663951321252df45abb |
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font_01_sfnt_off00007dff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7DFF | 5052 bytes |
SHA-256: a4526a67fe91c74a69dbfbcb6c4d6431df248fe43227996c785d372c029ae5b2 |
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font_02_sfnt_off00008f35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8F35 | 13320 bytes |
SHA-256: 640e05d98e74fbba5e612ae557e538d52ede55d4fa7628a88eafecadeb736ffa |
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font_03_sfnt_off0000ba37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA37 | 16036 bytes |
SHA-256: 52db30b66cfb76898988bc7c6ed152514c301740808ab95bec9c68e49df23550 |
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