PDF malware analysis — malicious · 4cc102d88d7c6463

MALICIOUS

PDF

50.3 KB Created: 2020-09-09 18:02:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 1067cbc941e9f6966006093000957c55 SHA-1: 9d6cd6d9f2c0f1e6302f33636bd429d8a9afb451 SHA-256: 4cc102d88d7c64639d3319164aa355e340cef7d042c28ef1019e2786e14f1c09

152 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links, many of which point to domains structured like SEO link farms. One critical heuristic identified a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text related to donations and the malicious URL, suggesting a social engineering lure to drive traffic to malicious sites.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF 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.
Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small 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.
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The 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.
Embedded URL info EMBEDDED_URL

One 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.link/wix?keyword=donate+bed+sheets+to+goodwill
- http://files.rooseveltelementarypto.org/uploads/1/3/0/7/130776131/9757311.pdf
- http://jobikera.chrysalistrio.com/uploads/1/3/0/7/130738721/7ba5821.pdf
- http://files.bakersfieldbirthnetwork.com/uploads/1/3/1/4/131438157/941260.pdf
- http://rowak.ldk-art.com/uploads/1/3/1/3/131398140/rilanup.pdf
- http://files.michellewilliamsgamaker.com/uploads/1/3/1/4/131437513/6781569.pdf
- http://files.nationalhellenicsociety.net/uploads/1/3/0/7/130739532/b60cd67.pdf
- https://static.usrfiles.com/ugd/28146e_b8c5ab465eb845399a4ed7fd27059e6b.pdf
- https://static.usrfiles.com/ugd/8b49c6_62e283e5b39a46edbc3826228cd72648.pdf
- https://static.usrfiles.com/ugd/162fe6_980f9a4f00df4bbcb55ea64e8f750d04.pdf
- https://cdn.shopify.com/s/files/1/0447/2678/0060/files/android_objectanimator_xml_example.pdf
- https://cdn.shopify.com/s/files/1/0438/3470/4034/files/gimp_rotate_layer.pdf
- https://cdn.shopify.com/s/files/1/0431/0636/9697/files/51012599733.pdf
- https://cdn.shopify.com/s/files/1/0437/7496/7965/files/fundamental_accounting_principles_free_download.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000085e3.bin` `f695a29e23233967a919123ed95c94823047cde0420bb8683911048b169d95df`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x85E3	5224 bytes
`font_01_sfnt_off000097bc.bin` `997b3acf5b69cabb9d75151b5493b485746f659b60c34c16fc74e4d9d8f50806`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x97BC	10856 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.