MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 Malicious Link
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to a link farm hosted on cdn.shopify.com. One critical heuristic firing indicates a direct link to a known malicious redirector at ttraff.com. The document body is heavily obfuscated, preventing a clear understanding of its intended lure. The presence of a link farm and a malicious redirector strongly suggests a phishing or malware distribution attempt.
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/wb?keyword=derecho%20natural%20cristiano%20pdf In PDF document text
- http://files.melissacastilloplanas.com/uploads/1/3/1/4/131437376/5635388.pdfIn PDF document text
- http://files.wfshootout.com/uploads/1/3/2/6/132695746/dalefax_gonisabaroxu_gezaxo_dilovuzazin.pdfIn PDF document text
- http://files.vocarsonchurch.com/uploads/1/3/1/4/131407965/nuputonewaza.pdfIn PDF document text
- http://files.washington-scottish.com/uploads/1/3/0/8/130874318/8b0f395751b7b3.pdfIn PDF document text
- http://files.farberresumes.com/uploads/1/3/2/6/132695574/6946660.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/1/0428/5900/4070/files/32923267679.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3164/9689/files/wokofuj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7960/6176/files/tijuzurefiwerebakuz.pdfIn PDF document text
- https://zisiwemebix.files.wordpress.com/2020/06/kinobamodarowi.pdfIn PDF document text
- https://mozujunovuj.files.wordpress.com/2020/06/71795939425.pdfIn PDF document text
- https://remaxobiran480113780.files.wordpress.com/2020/07/94191842299.pdfIn PDF document text
- https://lavuxelo.files.wordpress.com/2020/07/44986571343.pdfIn PDF document text
- https://luraxowive.files.wordpress.com/2020/06/sijozamudaguwi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/niroduwo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7246/3772/files/97777909095.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pusowa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/28391359898.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2668/5858/files/78516161259.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7798/3651/files/47043473524.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4742/0066/files/samuwixezejezuba.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_off00008eef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8EEF | 5124 bytes |
SHA-256: 68fa0fa54392da30039f0c99447af89425503295b8c639ee2175964a611f12f1 |
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font_01_sfnt_off0000a04f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA04F | 10000 bytes |
SHA-256: 3e8b458c07345842228970aaa96506c5ccb9538b44fd543497e6a1579d38c151 |
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