MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a redirector URL that is flagged as malicious. The document body, though heavily obfuscated, appears to be a lure related to 'happy birthday cake with name images'. The PDF also contains a large number of external links, many hosted on Shopify, which is indicative of a link farm used for SEO poisoning or to distribute malicious content. No scripts were extracted from this sample.
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=happy+birthday+cake+with+name+images In PDF document text
- http://files.berncograssrootsdems.com/uploads/1/3/0/8/130874647/31f3a286432.pdfIn PDF document text
- http://files.harvestupc.com/uploads/1/3/1/0/131071289/muxilinatexik.pdfIn PDF document text
- http://files.lakeisleretreats.com/uploads/1/3/2/7/132740682/xamikexinefekoz.pdfIn PDF document text
- http://files.footmadbirmingham.org/uploads/1/3/0/9/130969655/511256.pdfIn PDF document text
- http://files.neuroasl.com/uploads/1/3/0/8/130814106/71d20d927fec0c.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0200/3619/files/polosofipovuwifupubu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0350/1989/files/leropipiwefa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8239/1451/files/roribomepigufataxawo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6855/5415/files/dujewakaxivagitoxuko.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6831/6055/files/80689828253.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0281/3849/files/sozurutudoxozonifujudi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5350/6969/files/79049715806.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9086/9410/files/fodamikanekaloxor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4190/7100/files/baxisarevuxiwufosowusub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4711/5157/files/kakikesafubigatukiv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8144/0168/files/45842033125.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2679/2093/files/ludazuruwujefasidag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4102/9276/files/85307373020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6369/6799/files/68760256792.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f196.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF196 | 5492 bytes |
SHA-256: 6b8b53b30f4af1c343c153c0f5e02f7fe167e4fcb14b2accc244fc236677c9b3 |
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font_01_sfnt_off0001041b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1041B | 9816 bytes |
SHA-256: eb3c06fce7714167f20f112929e1b9b250ad6372b163700ebedaa2f04015b4a4 |
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font_02_sfnt_off00012550.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12550 | 4764 bytes |
SHA-256: 67b82d20858e06e97c73e6d25d37a64fc962de70053d7c9ad1b6136a9a3caf3b |
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