MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains multiple heuristics indicating malicious redirector links and a link farm designed for SEO manipulation. The document body, though heavily obfuscated, contains a URL that points to a known malicious redirector. The primary lure appears to be a fake 'email template for wedding save the date' that redirects users to a malicious site.
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.ru/pify?keyword=email+template+for+wedding+save+the+date In PDF document text
- http://files.cognitionaginglab.com/uploads/1/3/2/3/132302999/7288255.pdfIn PDF document text
- http://files.god4ce.com/uploads/1/3/1/6/131637419/08aef60b8acee.pdfIn PDF document text
- http://files.srcchassis.com/uploads/1/3/0/7/130740053/tezasunadovibe.pdfIn PDF document text
- http://files.offlinecrypto.us/uploads/1/3/0/7/130739288/134095.pdfIn PDF document text
- http://files.hiddencovelodge.com/uploads/1/3/1/4/131438474/edf62d.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/1/0437/4121/6929/files/sutisidusajegovir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2036/1629/files/rojabiginawa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0816/3993/files/32556996311.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7351/9272/files/majufijona.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3866/2053/files/97372256702.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5370/3580/files/radive.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1520/8098/files/40829755778.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4750/1474/files/advanced_mathematics_solved_problems.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1684/6488/files/kovavomakavibewupo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1888/7073/files/bipegexej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0445/7873/4239/files/28648405432.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7673/0533/files/telidafejaxilafez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7192/1571/files/rujavimej.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_off00007429.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7429 | 5564 bytes |
SHA-256: 3a4a6e9ad1e4e97397f2da75366b5279ce01a7a7fb43baede957be29dbb0b611 |
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font_01_sfnt_off00008706.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8706 | 10604 bytes |
SHA-256: e0308c4feae06a0d2be0b9446386bf722d3f35a111dd386ffa127267bad51a94 |
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